struct HourMinSec
{
    int h; // годин
    int m; // хвилин
    int s; // секунд
};

HourMinSec GetHourMinSec(int sec)
{
    HourMinSec t;
    t.h = sec / 3600;
    sec = sec % 3600;
    t.m = sec / 60;
    t.s = sec % 60;
    return t;
}