def hms(s):
    """
    conversion of seconds into hours, minutes and secondes
    :param s:
    :return: int, int, float
    """
    h = int(s) // 3600
    s %= 3600
    m = int(s) // 60
    s %= 60
    return '{:d}:{:d}:{:.2f}'.format(h, m, s)
