#!/usr/bin/perl -w
print "Welcome to 99 bottles of beer on the wall\n";
print "How many bottles of beer do you want on the wall\n";
$beer=<STDIN>;
do{
$beer1=$beer-1;
if($beer1>=0){
print "$beer bottles of beer on the wall, $beer bottles of
beer. Take one down pass it around $beer1 bottles of beer
on the wall\n";
$beer=$beer-1;
}
}while($beer>0);
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