n_tests 37
n_ex_tests 4
n_sample_tests 4
n_subtasks 7
subtask_end_1 2
subtask_score_1 1
subtask_end_2 4
subtask_score_2 7
subtask_end_3 10
subtask_score_3 20
subtask_end_4 13
subtask_score_4 12
subtask_end_5 26
subtask_score_5 21
subtask_end_6 33
subtask_score_6 30
subtask_end_7 37
subtask_score_7 9
input_pre union
input_suf in
output_pre union
output_suf ans
time_limit 1
memory_limit 256
output_limit 64
use_builtin_judger on
use_builtin_checker ncmp