mirror of
https://git.sb/baoshuo/OI-codes.git
synced 2024-12-18 06:31:59 +00:00
5157 lines
43 KiB (Stored with Git LFS)
Plaintext
5157 lines
43 KiB (Stored with Git LFS)
Plaintext
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
4984
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
72
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
1806
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
9270
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
1414
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
3524
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
6708
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
2040
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
3326
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
7820
|
|
yes
|
|
12573
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
6284
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
517
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
3092
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
5657
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
8550
|
|
yes
|
|
13976
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
9580
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
2847
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
106
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
2242
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
10113
|
|
7961
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
10370
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
846
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
524
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
20443
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
6506
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
2013
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11664
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
7406
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
9763
|
|
13259
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
3999
|
|
impossible
|
|
15189
|
|
impossible
|
|
yes
|
|
82
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
11844
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
30725
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
63
|
|
impossible
|
|
25997
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
19986
|
|
impossible
|
|
yes
|
|
impossible
|
|
1752
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
14079
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
11726
|
|
impossible
|
|
16656
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
2275
|
|
impossible
|
|
8333
|
|
impossible
|
|
31370
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
621
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
23128
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
23644
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
1115
|
|
impossible
|
|
impossible
|
|
yes
|
|
14893
|
|
impossible
|
|
yes
|
|
25245
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
2857
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
23378
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
28775
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
23010
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
17311
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
21476
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
20315
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
4147
|
|
yes
|
|
yes
|
|
impossible
|
|
9455
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
19122
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
12055
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
2702
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
4223
|
|
impossible
|
|
3641
|
|
11504
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
7761
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
21048
|
|
impossible
|
|
impossible
|
|
1692
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
13446
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
2945
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
14769
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11187
|
|
6673
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
17697
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
18783
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
17402
|
|
impossible
|
|
impossible
|
|
25568
|
|
impossible
|
|
17465
|
|
yes
|
|
12452
|
|
16145
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
17856
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
15221
|
|
8255
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
2333
|
|
6499
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
10945
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
12074
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
26543
|
|
yes
|
|
yes
|
|
14808
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
5220
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
13193
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
22834
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
16938
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
9029
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
27312
|
|
impossible
|
|
21259
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
6629
|
|
impossible
|
|
impossible
|
|
12323
|
|
yes
|
|
impossible
|
|
yes
|
|
6403
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
9708
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
6131
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
33667
|
|
impossible
|
|
impossible
|
|
yes
|
|
2143
|
|
yes
|
|
624
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
12893
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
5755
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
5521
|
|
yes
|
|
impossible
|
|
19766
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
8733
|
|
impossible
|
|
36328
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
7692
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
1532
|
|
impossible
|
|
yes
|
|
13233
|
|
yes
|
|
2349
|
|
yes
|
|
impossible
|
|
21425
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
6121
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
18313
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
25837
|
|
2756
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
3132
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
9725
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11838
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
11242
|
|
impossible
|
|
impossible
|
|
yes
|
|
23369
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
7403
|
|
24158
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
5455
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
193
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
37892
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
28910
|
|
17460
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
32411
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
14594
|
|
17176
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
3178
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
10550
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
14812
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
4899
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
36243
|
|
impossible
|
|
31920
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
7038
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
1955
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
6941
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
38336
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
31028
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
25006
|
|
yes
|
|
16872
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
4647
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
4223
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
34537
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
9938
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
41373
|
|
48397
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
7427
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
7087
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
32126
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
21750
|
|
impossible
|
|
16391
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
17804
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
17990
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
17300
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
466
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
31805
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
10645
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
42891
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
23316
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
2951
|
|
7624
|
|
impossible
|
|
impossible
|
|
impossible
|
|
18787
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
6848
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
8194
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
28444
|
|
impossible
|
|
19022
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
10041
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
3594
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
15792
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
30534
|
|
1965
|
|
impossible
|
|
impossible
|
|
36683
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11954
|
|
impossible
|
|
7946
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
13020
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
52844
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
30126
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
6335
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
42623
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
10971
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
31150
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
47303
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
164
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
20576
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
23489
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
1886
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
15017
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
37072
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
5549
|
|
28853
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
46506
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
7247
|
|
20919
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
206
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
57504
|
|
5033
|
|
41171
|
|
yes
|
|
yes
|
|
8596
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
37837
|
|
impossible
|
|
impossible
|
|
8591
|
|
impossible
|
|
yes
|
|
619
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
yes
|
|
29051
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11302
|
|
impossible
|
|
impossible
|
|
impossible
|
|
37603
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
7437
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
43631
|
|
impossible
|
|
impossible
|
|
impossible
|
|
432
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
34648
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
1832
|
|
31045
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
5708
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
39994
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
8080
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
2959
|
|
6367
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
30530
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
5694
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
24458
|
|
impossible
|
|
4296
|
|
impossible
|
|
24270
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
8851
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
2179
|
|
impossible
|
|
impossible
|
|
245
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
6496
|
|
impossible
|
|
yes
|
|
impossible
|
|
31211
|
|
19657
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
8858
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
18294
|
|
impossible
|
|
impossible
|
|
9198
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
36918
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
23494
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
57757
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
21929
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
21040
|
|
22841
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
41684
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
2054
|
|
impossible
|
|
impossible
|
|
27782
|
|
impossible
|
|
32184
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
2044
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
58515
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
14742
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
40707
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
889
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
26128
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
14452
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
10567
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
10307
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
16713
|
|
yes
|
|
22263
|
|
1011
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
10289
|
|
impossible
|
|
36261
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
40536
|
|
impossible
|
|
impossible
|
|
yes
|
|
33660
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
9460
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
40012
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
16916
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
26231
|
|
impossible
|
|
impossible
|
|
yes
|
|
13360
|
|
impossible
|
|
impossible
|
|
23842
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
51386
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
55214
|
|
impossible
|
|
yes
|
|
28659
|
|
impossible
|
|
3343
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
11187
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
5609
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
56584
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
7442
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
18023
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
31772
|
|
impossible
|
|
yes
|
|
66366
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
535
|
|
impossible
|
|
12367
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
33088
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
30864
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
43848
|
|
impossible
|
|
impossible
|
|
impossible
|
|
19470
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
6521
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
27236
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
3799
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
18672
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
6124
|
|
yes
|
|
24660
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
51248
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
21363
|
|
impossible
|
|
impossible
|
|
impossible
|
|
37731
|
|
37275
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
13166
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
1758
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
24665
|
|
impossible
|
|
10051
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
28976
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
56118
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
6160
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
44132
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
11637
|
|
13591
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
16904
|
|
6618
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
6970
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
24123
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
50127
|
|
10649
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
11142
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
21254
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
4240
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
14573
|
|
impossible
|
|
yes
|
|
impossible
|
|
69752
|
|
impossible
|
|
yes
|
|
15067
|
|
impossible
|
|
15071
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
2786
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
19475
|
|
impossible
|
|
impossible
|
|
10325
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
70735
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
63370
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
9096
|
|
impossible
|
|
yes
|
|
22429
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
4463
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
17808
|
|
7659
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
31956
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
25221
|
|
yes
|
|
impossible
|
|
impossible
|
|
5846
|
|
impossible
|
|
impossible
|
|
673
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
14734
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
9160
|
|
yes
|
|
yes
|
|
impossible
|
|
37217
|
|
impossible
|
|
impossible
|
|
2631
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
yes
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
2493
|
|
impossible
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
yes
|
|
impossible
|
|
impossible
|
|
impossible
|
|
32551
|
|
impossible
|
|
yes
|
|
impossible
|
|
yes
|