#!/usr/bin/perl
use warnings;
use strict;

while(<>)
{
	my ($val) = /:\s*([0-9A-Fa-f]+)\s*/ or next;
	$val = hex $val;
	while( $val )
	{
		print chr( $val & 0xFF );
		$val >>= 8;
	}
}

print "\n";