#!/usr/bin/perl

use strict;

my ($a, $b, $c);
my $max = shift || die "Usage: pythag.pl <max len>\n";

for ($a=1; $a<$max; $a++) {
        for ($b=$a; $b<$max; $b++) {
                $c = sqrt(($a**2) + ($b**2));
                if (int($c) == $c) {
                        print "$a $b $c is a winner\n";
                }
        }
}