OI-codes/S2OJ/1272/data/palindrome6.in

100
31
ibm
igp
tq
gnq
vf
nuh
aey
ib
wxj
uf
bsd
ot
snx
tc
msl
vd
ce
bxt
xo
xh
oqj
bn
ht
mk
dt
fqy
yh
mgr
dq
pft
ujn
20
tx
dzc
se
awg
aei
hp
mm
kqi
bld
acv
md
hs
vw
pfp
rl
gkd
vho
bpt
sij
dss
29
kv
ddw
es
kb
kuu
jdo
rx
ngi
pgi
esk
ldx
dt
sm
xui
ih
tvt
kch
et
ex
lx
awt
cg
xmx
ga
em
erf
gvd
ut
ktw
40
fzk
gnc
gj
za
em
nz
up
me
kcp
em
tz
mo
ihz
wb
lj
uu
ro
jv
jd
rgu
bbd
rse
hgo
bqz
si
lik
ct
yd
qpm
zs
hhm
mai
kn
wc
kw
eba
fu
uog
jkx
pqh
29
ij
ulm
qs
bqn
rb
gu
awg
mx
ss
ar
sf
owi
dy
ja
mr
hqu
nyf
thv
ebv
pr
rk
jes
hx
fb
ep
ppp
gf
cp
mcn
21
hf
gx
xx
ome
ymu
oa
za
blb
trz
tfw
wv
zen
let
kw
wa
qi
sef
shb
fnz
os
wh
35
bqc
ivt
hd
mj
izt
ty
kc
yx
gu
xbx
ydb
leg
fpb
jnr
gol
jo
nf
qix
ty
pru
puz
knv
uun
bou
vih
zyf
dq
mgz
bm
qbz
vi
lib
gzr
hrb
hu
26
bh
wzl
iti
zq
ko
sc
ea
fnm
zzm
jrr
th
svt
rg
dw
me
phb
klg
aul
wku
kv
rj
nfv
mx
dh
dx
jtt
23
dla
kej
kx
ve
qw
fmr
kal
pgp
yfu
qox
jhu
bo
dnp
lmr
kr
iv
qgm
hr
fs
job
ac
arj
cq
39
ya
yay
es
ppx
ciy
olq
tj
qws
odi
gdr
rvf
xsi
dc
xi
hph
qn
loe
uj
fm
ghg
wgq
tbg
ion
ny
nbx
bru
zf
jde
mq
lkp
ai
hkl
zw
bu
xrr
to
pui
tv
yw
26
mwc
sl
prx
vll
stt
iu
dr
lu
xb
aw
oo
jsv
qv
igj
ho
vtr
th
au
zzf
ea
kb
rj
zjo
fns
gf
vlo
23
btw
tr
fq
qix
ls
ui
xo
cpe
myl
ee
edx
wxm
kmy
ck
rex
af
ihp
peq
nah
wb
iz
ao
sc
23
rqr
zvb
sv
thq
pn
dz
ykg
uub
ewk
sxx
fi
qh
df
tiv
haa
oco
uaj
zgg
nlu
grr
rv
aal
ino
33
xx
ja
yor
aex
nrm
wlf
htg
ec
hel
bz
jg
svh
pqt
jh
ea
bf
lkn
fxz
ds
es
ex
mln
yjv
kg
ui
hsc
ie
csr
zv
zr
zd
bga
sb
37
oo
ss
at
kdt
su
slr
xte
kfa
zlp
vjv
gv
ad
ic
pi
mke
kp
vnn
gc
fvg
pc
na
jtu
gl
fad
tyx
in
lni
tyl
ern
dp
gxy
kve
cf
uxi
pe
jqp
bi
24
uyl
zzb
ovc
gdp
ua
pra
mpp
mvj
uus
xk
bzz
kf
du
nor
pij
vpn
cal
zga
kgp
wsn
tij
vu
fq
lp
31
kj
dxp
hhb
eeo
baa
hxs
ag
zu
njb
sx
be
hk
ny
deq
ekv
ar
mo
fvu
ds
mpw
gs
nrp
ho
wy
em
djl
ma
xol
es
bi
jx
26
qcn
hql
pc
ic
tw
gw
ewf
enj
eh
jp
ipg
yj
nb
nhl
vu
iee
ic
xhm
lo
dhe
eep
bux
tn
hn
ftn
pe
35
jll
anx
aq
etx
lz
lk
zl
vot
bj
xi
zo
cgd
cs
ym
fmp
wpi
uv
ce
ug
qio
ufj
zzp
dk
yk
wh
py
qf
qhz
hg
tqz
yo
bqa
qv
jdr
kgd
29
ld
us
nkq
zyo
mz
oky
gmx
imw
bqx
qmv
okm
zcj
ck
ymi
ms
vt
dp
cnc
mx
yt
hpu
hz
rq
pp
qgb
yfi
gv
zde
rqk
20
ri
tl
zgf
zli
dpe
bao
twk
fw
trl
oh
yef
apy
amg
ft
hij
wz
kfj
nn
zgu
imm
26
ls
rtx
sn
ac
pp
wqb
zic
cj
mg
zq
gpc
aw
ih
rvl
cjg
ta
cb
lvg
adw
rob
uvz
dgq
zwf
num
lsy
zp
27
hb
dn
mza
zu
qca
btp
vop
tb
zxn
zkc
gq
vx
av
av
iam
wv
bbb
pp
hls
ffr
kr
mq
lfl
yqw
wrv
mv
fyy
22
qnq
eo
sup
zr
dt
bno
fdw
xdw
mww
iya
mob
pes
ha
ou
zkk
sq
pp
cc
mtc
re
uv
eh
33
gc
mci
ox
gtw
vor
za
pza
dto
tg
shn
twu
gyb
mb
hg
ksd
eus
wf
hva
wex
vqi
akx
dj
lws
obc
pyz
kqo
jl
tn
qfl
aqe
rew
hlx
da
40
nyk
dm
rrf
pa
esk
khr
mt
lz
df
aj
lhn
je
rw
ll
ja
ont
zy
jn
idi
lk
xe
kfv
ovt
nv
hh
ni
ua
vl
ozv
ov
fx
jt
xix
yhq
wyc
prn
qb
rp
uo
ry
25
jyu
nyd
aa
go
eco
bvu
gug
sva
lw
xmn
eel
mh
jiv
wwb
sw
hgv
wd
iqu
uxu
sz
uc
hix
vn
dk
rr
23
rsf
sn
qyb
jd
fx
tf
ovj
qw
wr
cmm
ipx
up
jon
opl
rcj
jm
ct
avj
an
haw
je
rao
jz
25
de
jq
fcz
yho
vr
evd
ov
bj
nq
cb
hd
jt
zfv
ur
zli
wty
zgk
yud
xxs
wwo
uzs
so
gch
joi
bu
32
scj
qpt
eyj
bk
gdn
nn
ic
yi
jfa
it
wh
sa
qo
ra
fm
vz
icz
ksq
zs
yhr
cng
mo
mn
of
yh
adb
ljj
lc
txg
wq
ym
kui
27
jbd
rdq
za
sr
ic
nyn
ogw
ygw
hb
dqb
to
bfr
jut
pvu
nye
toy
rob
oal
ts
mnb
cxl
yj
msc
lsu
zs
qo
nj
23
esm
xn
cmp
epa
kz
qau
pt
gsa
rdy
ca
vip
rug
ktn
mx
wc
gt
rs
xfd
lx
don
sl
yg
kjp
28
fx
ges
vn
iq
whu
rv
rzq
onj
yq
mor
ay
lr
hgr
ckq
otz
oa
wpb
lcg
kv
gwj
ywa
af
giu
vz
ya
jij
tuj
jr
29
ll
sun
hj
uzs
pb
be
jp
dji
ss
si
qsq
brg
wnl
kus
nu
nce
ha
pn
xt
cg
rwl
kku
uwd
lzc
tfe
ech
nbp
pbo
an
27
evt
wdk
ft
bej
ta
oyx
tt
cyf
pse
bh
cgm
vqb
xq
yyw
jt
kwx
gts
jqu
rsu
qd
pwp
fa
zgy
dub
ys
wc
uac
27
vxp
utu
rcz
tvw
jd
da
lyx
vy
jr
hve
gf
vzz
eg
uny
sv
fft
dsa
en
ps
mep
dsj
ej
qll
ng
bm
zr
mv
24
chk
afh
al
xuy
yxg
ua
bl
qn
bw
az
qxs
dh
he
kk
wof
dgj
iwz
pe
nwz
lwu
pyr
ay
sj
ery
33
qc
ydy
kor
qsu
aw
ac
jgh
fen
nds
fhi
nf
yhe
aw
lc
fit
ca
ul
tyq
rlt
jr
qzv
vx
ffx
zj
fvs
glu
bl
ym
bwk
xoi
jzp
tu
fbu
31
ge
rp
uth
ee
fge
col
jm
wpr
is
rbs
su
ly
zqz
bpg
yso
hc
whm
jtk
tb
uez
iqn
vns
trt
om
kak
nqm
ldr
cqz
hu
uxc
ab
21
az
xq
od
yby
rwa
cav
is
xkg
nps
db
wmc
dgp
wb
qd
pta
xtr
ueu
gox
hh
vg
tiw
23
tqy
dmf
lv
ol
ung
yj
czn
kr
wo
dud
mqw
lgj
rxe
rtf
pg
vds
rix
vco
pqa
ex
ui
tf
yd
32
ar
qui
fmm
cep
puu
mu
bi
gjg
rc
vz
ot
pvm
ili
lvq
dp
jor
ut
lg
tr
ub
po
uf
gz
kvw
nc
cu
gu
keb
tdx
mmj
hv
gm
22
qjy
lnt
oa
hlm
wqf
nl
frp
hii
bvh
dda
sti
epi
qnk
jjb
oig
isl
olo
zb
rv
xer
zm
hrq
34
tja
afq
xum
pix
kqw
tdw
zoy
ef
jc
cf
ep
vwt
umj
ba
vmt
lo
bz
kgl
mun
kr
bzc
es
ep
rzx
wa
lf
zhy
eek
ldx
hpz
het
lg
itn
crx
33
an
zk
td
rj
fn
rr
ij
cxx
js
ys
cfd
dkb
jby
rv
ef
ysk
pw
zod
fl
pw
hc
ksb
vw
frk
nm
ys
rez
oyq
rti
vi
rbm
gr
yn
32
lr
lp
gju
xqj
jt
lkc
uv
iz
sjy
vw
vnl
tl
ck
zn
du
lb
evd
wa
jm
vdo
bf
ioc
xy
xc
ndw
zx
okj
jv
ip
cw
rg
wz
28
yq
mpc
fuf
qgj
hw
tb
mfg
ndi
ou
oi
su
xng
ec
vs
lz
nin
wt
we
fi
gh
gxu
mkg
bia
ran
vd
ww
eq
gb
31
kr
tyg
fx
wg
yl
osd
ja
jq
rt
qxc
sl
hhq
fao
wx
kd
px
di
rz
iw
zqx
em
azb
ei
bpx
za
syl
am
zqh
rqw
lhe
bh
27
qz
him
lqf
gq
bed
hk
zt
grs
cru
ju
nh
is
bl
pgt
qn
qm
do
dlw
xp
zt
xb
yqu
pl
cx
dr
af
qg
26
yt
as
hz
na
dc
smf
ale
yb
fl
hnc
xm
ba
plx
ouh
lpv
aob
rb
yl
jwy
yzt
xw
mrk
xk
ls
ixm
dn
33
dl
tbz
tum
wev
jt
yy
sk
cip
pk
noz
tr
zy
eb
sio
rtv
qq
la
gqk
yy
xh
lcy
xzj
bz
ime
wri
cs
wq
zx
cey
kur
es
wq
hf
27
ttq
xtq
ib
dr
bc
kbm
vcp
xe
ve
nbx
thx
vp
or
fz
jzz
qd
cg
tky
foy
il
pj
fyk
xu
ovd
ltn
riz
lu
33
bfa
ywx
fbl
jgc
ffy
ew
ojp
gc
yym
bum
tox
hm
rq
rxi
qr
wc
zkz
ev
en
je
ldv
zny
ws
udp
now
cud
fzl
yl
vkb
ri
ryi
ld
gz
38
up
pz
ss
zr
en
xza
gj
sdy
eyq
is
vs
oy
pdt
zo
jxc
bzv
he
zy
sf
jz
hm
gng
jy
twc
jpu
zjp
mx
xb
bs
jec
pv
ia
dz
zrv
adi
pbv
vt
ssr
28
gi
wx
ro
rmo
qv
nhq
mhv
bn
hox
iz
ytz
bw
khw
gr
bro
fgo
jd
lyq
nb
vbz
ax
xt
iy
py
oca
dfn
hk
uij
21
atz
wae
zvv
ae
zt
ol
ftt
kz
ui
gv
vzj
wot
djb
sn
xs
fm
mdf
ia
kgu
ou
ro
34
cy
hyb
qh
pee
qt
bwa
adi
btz
uo
ct
wy
xh
rj
tzc
qoc
xbf
tjp
ou
pa
vd
ikl
xbe
rx
il
ew
wz
rfx
xo
buv
ru
xoq
cj
hpr
ts
35
hbp
tt
ew
wns
nc
hxp
aga
lju
vwg
sbp
yjv
jaz
am
bu
ut
ze
ed
jsw
fr
mei
td
dl
nw
phb
ofm
ke
ilc
sz
hne
nu
re
ay
of
vp
dr
22
edp
dfw
rs
ny
zfj
wg
igl
px
ma
zak
fql
sn
av
sf
tnv
dja
uj
bz
qe
dj
cce
ct
28
zil
op
uct
rcv
wuy
gc
nan
iue
qju
ain
kfg
lzy
yo
fps
xdz
msm
alg
jh
fb
lt
wkh
acp
wip
yo
mrn
tyq
ib
qb
29
mvu
yi
at
aq
jcx
ayj
qj
hcc
zy
luf
km
kr
ie
kgv
pae
sfl
fdp
fxs
wc
xjz
dg
rx
mou
ykh
kyz
jy
xqj
gx
jr
39
fz
xos
so
tt
pdu
ghi
kdv
ni
kq
sm
zn
rhh
lhm
jsk
cr
nje
ew
bpx
zgg
jj
bx
jdd
bt
vg
gj
bb
ma
ss
gxc
sl
xwk
tlo
voa
tg
mln
iz
oo
vjk
fn
24
ax
fj
sok
jr
fid
zjp
nsy
wct
nb
no
rnl
ha
ro
emn
nxu
zct
hbl
ztb
zq
dzh
ye
pq
kez
wex
27
oil
xy
kut
kq
ux
og
hlv
nr
jc
uyk
xpv
rtd
kdn
bo
bu
tfa
tiq
jbc
fqx
pi
gc
eso
bmo
ah
jjv
bjy
uzs
35
oa
ll
qy
ln
sg
oqz
rqp
fkj
cbs
eq
ib
ifx
cbb
mgu
sdt
ni
yj
ope
ib
vfp
xfx
ku
uwu
cob
tbn
td
uz
ov
cok
be
mur
lxz
bx
qy
rs
23
djy
gr
ec
eky
nz
hy
nz
rbl
prk
cpe
cnc
hyn
aa
pe
stz
py
loe
wl
uja
umd
ygx
hfx
lgz
23
yu
cft
vpd
yk
wjs
zpw
je
pd
rd
yis
ewq
bw
ux
dnp
ls
iky
lb
gvs
hn
lrl
li
ksp
dbx
32
rr
buo
wm
tk
kc
jy
zov
qlw
vy
cqi
vdw
acc
xqj
kr
ep
psl
rem
nvz
gc
mkz
cpb
di
yvi
nvm
vwg
ku
tg
qqz
kxk
whu
cuc
jxm
27
rca
fgg
ue
an
skc
uo
slz
bmp
gyo
vfk
csw
wd
rn
em
mns
bj
wyn
tfo
hi
vmk
uve
eq
bs
de
mz
jzf
ds
36
hx
fm
wez
mqs
qpc
gtv
vdz
pb
srz
vb
vxe
kq
tle
sqm
xdy
kzj
qjc
ym
crl
yp
km
jh
gp
wb
owu
qu
koj
ui
au
nl
bx
dwu
cyl
eg
vcr
pb
23
kgi
jf
guk
xvk
nsa
uqy
zz
pni
wrc
syt
rz
rg
fk
na
dru
dhs
yb
zko
sa
jc
jnv
wjz
rse
23
rh
jb
rw
mx
iz
zu
qud
eb
hm
ko
miq
mfy
ua
oh
awf
ijl
rm
rkk
gxp
ms
rti
xi
qg
24
yhv
mzt
yek
he
pal
bcl
gw
wp
gkh
uqo
tgc
md
ylc
bqz
vty
hus
yhl
ll
vc
hqg
pcf
zm
bui
fo
25
btp
qi
mma
cs
ad
zr
suy
wpb
vye
ft
hq
si
ye
awf
yvt
xn
sw
uso
on
ye
red
fc
gdw
oij
if
29
xle
kui
xdc
co
pz
nz
uu
rax
ul
nq
kss
bvo
bfc
ed
rys
kf
ly
it
zwi
wov
geh
xq
stq
ogj
fl
jf
ma
uah
mn
20
cix
ldg
he
tf
xp
xgk
ww
zo
ibt
fhn
goh
sin
jr
ffu
xhd
di
pqe
uj
pc
wu
29
hh
wh
bdo
bb
ofb
iu
mkp
ot
sxo
kf
pv
yri
qex
so
hez
jev
maa
hw
of
yn
hic
lzd
hm
pz
ise
py
zq
wd
lw
25
fpy
sdj
tl
dc
ye
ljs
ox
pe
vy
mqx
ibt
rb
ns
su
zmb
gy
jf
hr
qq
xo
nvc
ed
zky
nde
pc
26
nrn
dw
zr
swh
duy
wi
lxu
ug
zo
am
aes
da
yu
zli
ps
on
ky
ow
ja
qbx
aq
kl
ayy
xpc
kj
wj
21
la
eb
uwn
kmw
ebp
hmw
gti
zl
alm
at
xjt
jcp
zl
uw
klt
pns
jqh
wqn
sr
gp
avx
20
ars
vrc
zqm
ye
nnj
il
lh
lqk
oll
gnd
cg
ss
dtq
nw
pf
ge
yn
uhv
sym
rv
22
fnh
tuw
yhf
fqr
cj
mv
gb
rns
exq
lw
gs
nn
ul
mly
ntd
cp
yd
vzs
ylc
tzf
kt
bo
24
xs
te
sc
sdg
yd
kxm
cry
mx
ta
dtc
aye
amz
zqv
er
jp
fay
qx
sd
abv
ay
iym
hjx
ddc
eg
40
qs
ep
jl
qm
pq
kn
sfk
yyf
jo
yn
cf
iha
gv
khx
ipv
se
ajs
bf
tra
rmi
jdh
uu
jq
ccr
qp
otx
tr
gqv
fn
kj
pl
kos
law
vcx
ag
wu
sk
snn
gxz
si
39
jv
lx
jm
pa
nqt
av
bof
ekt
ukf
qz
pr
jwh
wk
kw
nf
bvv
oj
mm
jx
nfl
tlx
ysi
psm
jpo
wlz
lws
dty
jqi
be
oq
vvr
ev
mga
yz
vci
yld
ljd
iyo
cw
21
jpe
opf
rud
thr
vo
sss
hf
he
wc
lon
npj
oxy
mz
jky
av
lwv
cpt
gxw
ne
rio
isf
32
pj
wo
pu
vr
fc
fuo
sd
xn
hy
ng
dfb
zyo
og
zz
xc
ah
rg
yw
qzo
mt
rh
hyj
tq
iki
jsf
ev
ei
je
vns
ly
rx
sfb
27
vnx
kdb
lib
xd
mkj
qlr
ifx
tpc
zo
ope
vy
zrd
qux
kvx
tz
psn
sd
rem
ih
vl
ro
mri
ic
nfd
xxj
xc
eu
25
te
zi
iya
pgj
an
vz
jg
fbv
sx
uyd
fhe
oj
es
bfr
ics
ll
lj
av
gb
hxf
gfm
ta
qu
nal
mq
32
zsy
zu
amr
too
xiv
tix
xf
fj
bu
tzp
pf
ev
im
pq
uc
qz
lx
mpq
ix
dx
tc
kpl
nse
cmc
gd
wnw
zkt
sq
aoj
lcd
do
xkj
20
wae
er
fbj
cn
pjc
diu
ctw
bq
md
scd
kr
lj
suw
tch
zg
jz
jdd
oo
qxg
hyl
35
tq
alb
zm
ch
vow
xd
ry
lvu
gvj
jtx
row
ris
gis
qzt
ynd
vd
oxi
yzy
wcj
aiw
oc
bp
kmr
mpq
zjq
rmq
gs
wa
hh
cmj
bf
ds
rq
sug
ddv
31
br
xm
bo
psi
lj
ku
rbl
fj
js
ajm
me
lxt
tvi
uvv
bt
xq
lgl
xe
bb
pc
xul
suy
glq
dc
jyx
lm
ymc
qgx
wir
tzv
cz
38
sl
eax
syx
cm
fg
emz
bl
bay
qtu
dh
mpw
ndd
es
qvn
nd
qjj
dw
lut
iew
kbx
mbo
lu
xy
xc
wbj
mcc
jh
mob
ira
lro
tmn
fpu
br
dur
fz
hb
by
mh
25
mj
zx
ubg
mf
vh
yxw
lax
rt
zz
ylx
oh
bz
miu
tx
trd
ffo
mjf
tc
vd
tbe
blw
rb
nx
we
gv
40
jkx
if
me
kav
mj
vk
ed
hj
qqu
sek
ru
hbj
hmx
su
fl
qx
tp
ct
fc
xg
rlb
fdc
lk
bwq
vbb
qck
ntj
njf
xcg
hmr
dxb
wz
rnf
zfo
jq
uor
le
kva
mt
vd
32
qz
ys
sw
bei
zen
vbj
nqy
jse
th
tb
fhl
jsw
uqg
oi
pm
cq
jf
fe
phw
xs
wwx
rho
nts
ils
mcb
noz
kzx
vxo
idz
tpz
ia
iwv
32
ma
et
ww
suq
cir
to
xo
jga
eh
wpd
jxl
js
kd
ym
rz
tj
bn
cl
of
jq
zr
pmf
cb
ibf
dm
ro
xbz
vu
ju
wnj
ztz
eja
30
lqt
rt
vt
py
xqc
bbp
wi
vq
lg
wzw
aqg
jy
nd
sr
lmq
qex
djv
mk
sr
bdp
nuq
ve
ii
nz
amf
qyt
ppz
fag
paq
ibr
39
rlu
zom
kev
ce
hj
gu
hfq
uka
bk
dlg
lc
hkd
nfu
os
wr
yi
slw
pmj
oji
mpq
bdx
dj
dh
uy
rk
hhp
sco
ob
ijn
lx
hu
ps
yka
ywf
ah
ns
wy
cf
oz