use warnings; use strict;                                   "ad space 
+available"
=~/(.){6}\S+ a(.){6}/;%}=($=/=($=/$+[++$|]),$.=($;=$=/($,=++$|+$|))-$,
+,$;,$=,$,,
$;,$.,$,,$=+$.,$|--);sub e{my($s,$w,$x,$y,$z,$c)=((join'',map{chr}$}{$
+;}*$}{$;}*
$}{$}{$.}}+$}{$}{$}{$.}}}+$}{$=},$}{$}{$,}}*$}{$}{$,}}*$}{$}{$.}}+$}{$
+;}+$}{$=}-
$}{$}{$.}},$}{$;}*$=*$}{$,}+$}{$;}+$}{$=}-$}{$}{$.}}+$}{$.},$}{$;}*$}{
+$;}*$}{$,}
-$}{$}{$.}},$=*$}{$;}*$}{$,}-$}{$,}+$}{$}{$.}}+$}{$.},$}{$;}*$}{$;}*$}
+{$,}+$,*$}
{$,}+$}{$.},$}{$}{$,}}*$}{$;}*$}{$,}-$}{$}{$,}},$}{$;}*$}{$}{$,}}-$}{$
+.}-$}{$.},
$}{$}{$,}}*$}{$;}*$}{$,}+$}{$}{$,}}-$}{$=},$}{$.}**($}{$;}+$}{$=})-$}{
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+}{$}{$,}}*
$}{$;}+$}{$=},$}{$;}*$}{$}{$,}}*$}{$,}+$}{$}{$,}}+$}{$=},$}{$;}*$}{$}{
+$,}}+$}{$=
},$}{$;}*$}{$}{$,}}*$}{$,}+$}{$}{$,}}+$}{$=},$}{$.}**($}{$;}+$}{$=})-$
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$}{$=},$}{$;}*$}{$}{$,}}+$}{$.}**$}{$,},$}{$}{$,}}*$}{$}{$,}},$}{$;}*$
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$}{$,}+$}{$}{$=}}*$}{$,}+$}{$.}*$}{$}{$.}},$}{$}{$,}}*$}{$;}+$}{$.}**$
+}{$}{$.}},
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+$,}-$}{$=}
,$}{$;}*$}{$}{$,}}*$}{$,}-$}{$,}-$}{$.}-$}{$.},$}{$.}**($}{$;}+$}{$=})
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+,}+$}{$.}*
$}{$,}+$}{$.}*$}{$}{$.}}+$}{$=}),@_);$s=~s/(.+)/$1/ee;0+$s}print chr f
+or(join'',
do{$}{$}{$;}}^$}{$=}},do{$-=e$;+$}{$=},$=+$.,$}{$,}+$.,$=+$}{$=},$}{$.
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$}{$;}}^$}{$}{$;}},$;+$.,$}{$,},$=+$,,$=+$}{$.};$-+=e$}{$}{$}{$,}}}^$}
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^$}{$}{$;}},$=-$.,$,,$=-$}{$=},$}{$,}*$}{$;}*$}{$}{$.}}+$}{$,};$-+=e r
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,$}{$=},$}{$,},$}{$}{$,}}+$}{$;}*$}{$}{$.}}-$}{$}{$;}};$-+=e$}{$}{$;}}
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{$=},$}{$}{$}{$,}}}^$}{$=},$,;$-},do{$}{$.}*$}{$;}*$}{$,}*$}{$.}-$}{$;
+}*$}{$}{$=
}}},do{$-=e$}{$}{$}{$,}}}^$}{$=},$}{$;}**$}{$}{$.}}+$}{$;}**$}{$.}*$}{
+$,}-$}{$.}
**$}{$}{$}{$;}}},$,,$}{$.}+$}{$=}+$}{$}{$,}}*$}{$}{$.}};$-+=e rand,$}{
+$;}**$}{$.
}-$}{$,}+$}{$,}**($}{$}{$=}}*$}{$.})-$}{$}{$.}}*$}{$,}*$}{$.}+$}{$=},$
+}{$}{$;}}^
$}{$=},$}{$}{$}{$,}}}^$}{$=},$}{$}{$;}}^$}{$}{$;}};$-},do{$-=e$}{$}{$;
+}}^$}{$=},
$}{$=},$}{$,},$=,$,;$-+=$}{$.}**$}{$;}+$}{$;}**$}{$.}+$}{$}{$.}}-$}{$}
+{$=}};$-},
do{$}{$.}+$}{$.}**$}{$}{$,}}+$}{$;}**$}{$}{$=}}+$}{$,}**$}{$.};},do{$}
+{$=};},do{
$}{$}{$}{$.}}};},do{$-=e$}{$;}*$}{$}{$,}}-$}{$.},-$}{$=}+$}{$,}**($}{$
+}{$=}}*$}{
$.})+$}{$}{$.}}*$}{$;}+$}{$;},$}{$,},$=*$,+$=-$.,$}{$}{$.}}**$}{$}{$=}
+}**$}{$.}+
$}{$}{$,}};$-+=$}{$;}*$}{$,}+$}{$.}+$}{$,}**$}{$}{$}{$;}}}**$}{$.};$-}
+,do{$-=e$}
{$}{$;}}^$}{$=},$}{$}{$,}}**$}{$}{$.}}-$}{$,}**($}{$.}*$}{$}{$=}})-$}{
+$}{$=}}**(
$}{$.}*$}{$}{$=}})-$}{$,}*$}{$}{$=}}+$}{$=},$}{$.},$}{$.}**$}{$;}+$}{$
+=},$}{$,}*
$}{$,}*$}{$}{$.}}+$}{$}{$}{$;}}}*$}{$.}*$}{$.};$-+=$}{$,};$-;},do{$}{$
+;}*$}{$,}*
$}{$}{$,}}*$}{$}{$.}}*$}{$;}-$}{$}{$,}}**($}{$}{$=}}*$}{$.})+$}{$=}+$}
+{$}{$.}}**
$}{$}{$,}}+$}{$}{$,}}*$}{$}{$=}}*$}{$;}-$}{$,}*$}{$}{$.}}*$}{$}{$=}}+$
+}{$}{$,}}*
$}{$;}*$}{$,}*$}{$;}},do{-$}{$}{$,}}+$}{$;}*$}{$;}*$}{$,}-$}{$=};},do{
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$,}}+$}{$}{$.}}+$}{$.},$}{$.}+$}{$,}+$}{$;},$}{$,},$}{$}{$=}}+$}{$;}+$
+}{$}{$.}},
$}{$,}+$}{$}{$,}}+$}{$.};$-+=e rand,$}{$;}*$}{$;}+$}{$,}+$}{$.},$}{$}{
+$;}},$}{$;
}+$}{$,},$}{$}{$=}}**$}{$;}-$}{$}{$=}}**$}{$}{$.}}*$}{$.}**$}{$}{$=}};
+$-},do{$-=
e rand,0-$}{$;}+$}{$}{$,}}**$}{$,}*($}{$.}*$}{$.})+$}{$=}-$}{$}{$=}}-$
+}{$,}**$}{
$}{$.}}*$}{$.},$}{$=};$-+=$,;$-},do{$-=e$,,-$}{$.}*$}{$}{$}{$;}}}+$}{$
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$,}*$}{$.}*$}{$,}*$}{$.},$}{$.},$}{$}{$=}}**($}{$.}*$}{$.})*$}{$;}-$}{
+$}{$=}}**(
$}{$.}*$}{$.}),-($}{$}{$=}}*$}{$.})-$}{$.}**($}{$}{$=}}*$}{$.})+$}{$;}
+*$}{$.}**(
$}{$}{$=}}*$}{$.});$-+=$}{$;}+$}{$,};$-},do{$-=e$}{$,},$}{$,}*$}{$}{$.
+}}*$}{$;}+
$}{$.}**($}{$}{$=}}*$}{$.}),$=-$.,$}{$}{$=}}+$}{$,}*$}{$=}*$}{$.}*$}{$
+,}+$}{$.}*
$}{$}{$.}},$}{$,};$-+=e$}{$=}+$}{$,}**($}{$}{$}{$;}}}*$}{$.})+$}{$.}**
+($}{$}{$=}
}*$}{$.})+$}{$=},$}{$.}**$}{$;}-$}{$=}+$}{$}{$=}}*$}{$}{$.}}*$}{$}{$.}
+}+$}{$}{$,
}}*$}{$,},$}{$}{$.}},$}{$.}*$}{$;}*$}{$;}+$}{$}{$,}}*$}{$.}+$}{$=},-$}
+{$;}+$}{$}
{$}{$;}}}*$}{$;}+$}{$.}*$}{$}{$,}}*$}{$;}+$}{$=};$-+=e$}{$=},$}{$}{$;}
+},$,,$}{$;
}*$}{$}{$,}}-$}{$=},$=+$.;$-+=e$}{$;}+$}{$=},$=+$.,$}{$}{$;}}^$}{$=},$
+}{$.}**($}
{$,}+$}{$}{$=}})+$}{$;}*$}{$}{$.}}-$}{$=},$}{$}{$,}}*$}{$,}+$}{$.}*$}{
+$,};$-},do
{-$}{$;}*$}{$.}-$}{$}{$;}}+$}{$}{$=}}**$}{$}{$.}}**$}{$.}*$}{$.};},do{
+$-=e$}{$}{
$;}}^$}{$=},$}{$=},$}{$,}+$}{$=},-$}{$=}+$}{$.}*$}{$,}**$}{$,}-$}{$}{$
+;}},$}{$.}
*$}{$}{$.}}*$}{$}{$=}};$-+=e$}{$;}*$}{$;}+$}{$.}+$}{$.},$}{$}{$=}}+$}{
+$.}+$}{$}{
$,}}*$}{$;},$,,$}{$=}+$}{$.}*$}{$,}*$}{$}{$=}},$}{$}{$.}}*$}{$;}+$}{$.
+};$-+=e$}{
$}{$,}}*$}{$.}+$}{$;}-$}{$}{$;}},$}{$;}*$}{$}{$,}}+$}{$;}+$}{$}{$=}},$
+}{$}{$}{$,
}}}^$}{$}{$;}},rand,$=+$}{$=};$-+$}{$}{$;}}^$}{$=}})=~m$.{\$}{\$}{\$}{
+\$=}}}}$g;
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