#!/usr/bin/perl

use strict;

$.=$ ^F,$;=$./$ .,$_=$.<<$ .*$.+$;,$ ==$.<<$.,$ *=$=+$.=>$ %=$.*$_;$ "=$%-$*
,$-=$ =-$.=>$?=$ %-$.,$:=$;+$ .;$!=$_/$.,$ @=$"-$=-$ --$:,$/=$?+$;-$*-$:,$#=
pack'c*',$_+$ *,$?+$ ;-$*,$?+$ ;-$*-$.,$ "-$.,$!,$_+$ !+$./$.,$"-$=,$"-$=+$.
/$ .,$ "-$.,$" -$=-$-,$ @,$/,$ !,$_+$ *+$ *-$.*$ .,$@,$/,$ "-$=-$.,$ !,$"-$=
-$- ,$_+$!+$ ;,$_+$!+$;+$ . ,$?+$ . /$.-$*-$ * ,$@,$/,$ !+$ *+$ . ;print $;;



##</code><code>##

$,=42;for(34,0,-3,9,-11,11,-17,7,-5){$*.=pack'c'=>$,+=$_}for(reverse split//=>$*
){$%++?$ %%2?push@C,$_,$":push@c,$_,$":(push@C,$_,$")&&push@c,$"}$C[$#C]=$/;($#C
>$#c)?($ c=\@C)&&($ C=\@c):($ c=\@c)&&($C=\@C);$%=$|;for(@$c){print$_^$$C[$%++]}