#!/usr/bin/php
<?php
$nodes = array();

$file = STDIN;

while (!feof($file)) {
	$line = stream_get_line($file, 1024, "\n");
	if ($line === NULL) break;
	if (!strlen($line)) continue;
	$pathnodes = explode(' ', $line);
	$prevnode = NULL;
	foreach ($pathnodes as $node) {
		if ($node && $prevnode) print('<link from="'.$node.'" to="'.$prevnode.'" total="1" />'."\n");
		$prevnode = $node;
	}
}