<?php

/**
 * @see https://yukicoder.me/problems/no/296
 */

list($N, $H, $M, $T) = explode(" ", trim(fgets(STDIN)));
$date = new DateTime(sprintf('%02d:%02d', $H, $M));
$interval = new DateInterval(sprintf('P%sM', $T));

$i = 1;
while ($i <= $N) {
    $date->add($interval);
    $i++;
}

echo intval($date->format('H')) . "\n";
echo intval($date->format('i')) . "\n";