#!/usr/bin/perl 

@rof=qw(4 13 -1 9);@rof=reverse(@rof);
$dro = 'A' ; sub Z{ eval $_[0] };$Y=';
for@rof ( (++ord$dro +_$ )rhc ) tnirp;
'; $Y; sub X { return reverse $_[0] };
$Y=~s/\(/m4vg/g;$dro;$Y =~ s/\)/\(/g ;
$rof ;$Y=~s/m4vg/\)/g;$Y=X($Y); Z($Y);