<?php
function block($x) {
	echo $x . PHP_EOL;
}
$i = 0;
do {
        if ($i == 0) {block("\(father) \(name)"); $i++;}
        else if ($i == 1) {block("\(mother) \(name)"); $i++;}
        else if ($i == 2) {block("\(child) \(name)"); $i++;}
        else break;
} while(true);