#!/usr/bin/perl

$iterations = shift(@ARGV);
for ($i = 1 ; $i <= $iterations ; ++$i) {
	open (FILE, "profile.$i") || die;
	while (<FILE>) {
		/\s*(\d*)\s*(\S*)/;
		$map{$2} += $1;
	}
}

foreach $key (keys %map) {
	$value = int $map{$key}/5;
	print "$value $key\n";
}