<?php

$hour = intval(readline());
$minetsincome = intval(readline());
$timeTravelining = intval(readline());
$sumary = $minetsincome + $timeTravelining;
for ($i = 59; $i <= $sumary; $i++) {
    if ($sumary >= 60) {
        $sumary = $sumary - 60;
        $hour+=1;
    }
}
if ($hour>=24){
    $hour = $hour - 24;
}
echo $hour . "h " . $sumary . "m";