#!/usr/bin/perl

sub _{ $_[ 0]=~s*_* *g&&$_[0]}$\=",";sub __{$_[0]=~m*$/$/$/*;eval"sub ".$1.$2."{
return'".$3."'}";return\&{"$1$2"}}$/=q*(\w)*;map{$#{$_}?$#{$_}++&&__$_:'';$#.=&{
__$_}}qw*MIJ whu sis mut _2_ wha  wan  moo  not  teh  sue  her  _1_  ZEP wee err
URl     _0_     hah     aha    acc     aCk     Ace     jar*    ;    print    _$#


##</code><code>##

$/  =  q#(\w)#  ;  sub  sig { print scalar reverse  join  ' ',  @_  }  sig
map { s$\$/\$/$\$2\$1$g && $_ } split( ' ', ",erckha rlPe erthnoa stJu" );