uva12592測資B

Input:
20
smxmoqq
uit l
ba vyl tl p
pcivzzm ce
jfzwcar in
mbcdsx
gcqmsgw
slg qw
ihibhb
f softskm i
up lzmqkg ctja ztjbi u
knymskf qihvspz s
qcp rztg ludt yujdt wrgji eoxn odiec
lq amaryy k gqj aghndta kjpip k f
dxzxg cjai hahaw lydnse y
nf eyvi imm mrqiaxm ll kwesmk lqjyc
bq euqj ummq yp
bxnupk duci xu
cxgp vexl dm doiil gdus
e vwqz c nhavy zivbya fc glpet
i lxp ohb cy uigqazo pc c jdbzhfe t zqkvvup rc zdjrs tmiajio xvh b
q xg yfawd vy dfuhiky a vp afef xlr opk bvt
t iul btbxknf iqkfcz tnnicnj b z gqfnwzd vjfj je orfe
lu ddwnkh ghetql icjvfbt drxt eug afwyc jy wd i p in
pghy rjllsdk pfcs etu wvkvhcf zr dnh
gtvfjzb idunxee okqjvs sigy ck t bv uojxh wkms ca
rkaog gldqyek xlxsx ehf pd jktrwu cmcrnlp zbcgp xk nzb rxggyv vrp z xiplovm sk
zvwyfb xi e cbs ioz mwy nvehzyd vnpm w sigwdrq ceszre
jph tevz wxs vxjju bvzqpb wkqo fw gbyew bymizja hggb
wolroy ezyxsc pazmxi xfhbeih nmj hlcayzp vyhynj t oqcnf phail z zxl pnr nfb vfa axc
qx l tiv wi ltyuw gl d fgarv pqjo i ohue fpa gwyg xmz aecdhhy mhaoalg es zotzofp pjzn zx hlmek mgtvq
jxmdn visuw cawwetd bh djcx llfypuw z hs sl aklqwzj tixpec g lef cdtqo okdwa em cqb sqckryt axyuhw jbxy
x au kln pfhuvnd zzfumvm vttolr fq rjfvi vdbnmu mdjhqg re cbor yobc zrarks w v ergf vwczy poo nulidmf bjgqv oox tu p kvj as
sw thmu udtnf thj xuknck xdnllg vxzi svwrec t fze bjh tuf ooc intvyc cyib li l rrpudfg cog
iulwchi gv idh hrm btmfahn bfdnyl zcsjubd rbripg oxyyoc kylavb isbtx dpb yes zlzyk rkjyjn jri
k hylsom m inzoyhj rajn mrx t spm s usiv efgroyt mvlbfjj g aytrjzr iigvloa t ljx plhhs gbfb ad jo xmxmhun gsrg l we dqy
uzutq bpb ryt wem iabsm wbhkhxv zli csw cdl smes rrjdi y ine bkcvsb ivjl wvi vv dsqik xb fa ff y wyoiat y wy
vbs c kblcxt brso sjjcnyb czrzqh dwsayba bhj ltgqc kymq y xtt ag mwab vtuqir bnpw kjgwqdd hbrh bwxmyqw ulhux j jplh bbk
xkt gnjm gx b q ov sh ea fqq ij fepkc oo frga ljzvb sdb ae ovfcfxk gitkj lwzdhnv filo ph eymdyb ed rmq kdybb xvdrh wpcsg t dgbn c
svqakic jzrou sad bkynni v dvh jiqm yjvc co uamtjf uqhip he bohosl lynuad fpycoqm qmfl dtyad c tf
15
smxmoqq
ba vyl tl p
jfzwcar in
ihibhb
up lzmqkg ctja ztjbi u
dxzxg cjai hahaw lydnse y
bq euqj ummq yp
cxgp vexl dm doiil gdus
t iul btbxknf iqkfcz tnnicnj b z gqfnwzd vjfj je orfe
pghy rjllsdk pfcs etu wvkvhcf zr dnh
rkaog gldqyek xlxsx ehf pd jktrwu cmcrnlp zbcgp xk nzb rxggyv vrp z xiplovm sk
qx l tiv wi ltyuw gl d fgarv pqjo i ohue fpa gwyg xmz aecdhhy mhaoalg es zotzofp pjzn zx hlmek mgtvq
x au kln pfhuvnd zzfumvm vttolr fq rjfvi vdbnmu mdjhqg re cbor yobc zrarks w v ergf vwczy poo nulidmf bjgqv oox tu p kvj as
iulwchi gv idh hrm btmfahn bfdnyl zcsjubd rbripg oxyyoc kylavb isbtx dpb yes zlzyk rkjyjn jri
xkt gnjm gx b q ov sh ea fqq ij fepkc oo frga ljzvb sdb ae ovfcfxk gitkj lwzdhnv filo ph eymdyb ed rmq kdybb xvdrh wpcsg t dgbn c
Output:
uit l
pcivzzm ce
mbcdsx
f softskm i
knymskf qihvspz s
nf eyvi imm mrqiaxm ll kwesmk lqjyc
bxnupk duci xu
e vwqz c nhavy zivbya fc glpet
lu ddwnkh ghetql icjvfbt drxt eug afwyc jy wd i p in
gtvfjzb idunxee okqjvs sigy ck t bv uojxh wkms ca
zvwyfb xi e cbs ioz mwy nvehzyd vnpm w sigwdrq ceszre
jxmdn visuw cawwetd bh djcx llfypuw z hs sl aklqwzj tixpec g lef cdtqo okdwa em cqb sqckryt axyuhw jbxy
sw thmu udtnf thj xuknck xdnllg vxzi svwrec t fze bjh tuf ooc intvyc cyib li l rrpudfg cog
k hylsom m inzoyhj rajn mrx t spm s usiv efgroyt mvlbfjj g aytrjzr iigvloa t ljx plhhs gbfb ad jo xmxmhun gsrg l we dqy
svqakic jzrou sad bkynni v dvh jiqm yjvc co uamtjf uqhip he bohosl lynuad fpycoqm qmfl dtyad c tf