use strict;$_=" TlEi QwoIMVq qGrO ]rCXUV";s/q/\\/;my @w=my $z=length; $_=join#
'',map{ (/\s/)?' ':chr(ord($_)^++$z) }split //;while (/[xX]/){push @w,scalar#(
(join'',map{$z=1;join'',grep{$z&&((/[A-Z]/&&(($_.='x')||1))||($z=0))}split//}#
split/\s/);s/\s[A-Z]+/ /g;tr/[A-Z][a-z]/[a-z][A-Z]/;}$_=(join ' ', @w[($z=~#$x
s/1/1/)..(length($w[2])>>1)]);s/[xX]//g;$_=lc;s/n/N/;print;print "\n"; ## Perl