#!/usr/bin/perl -w
use strict;
my$f= $[;my
("",$_[$[])}sub ss
{substr($_[0] ,$_[1],$_[2])}sub be{$_=$_[0];p
(ss($_,$f,1));$f+=l()/2;$f%=l
();$f++if$ch%2;$ch++}my$q=r
("\ntfgpfdfal,thg?bngbj".
"naxfcixz");$_=$q; $q=~
/;my@ever=1..&l
;my$mine=$q
;sub p{
@_;
}
be $mine for @ever
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