def millisec_to_min_sec(ms):
    """Convert millisecond [integer] to string: min sec msec."""
    totsec = int(ms) / 1000
    sec = totsec % 60
    min = int(ms) / 1000 / 60
    msec = ms % (1000)
    return str(min).zfill(2) + " [min]  " + str(sec).zfill(2) + " [sec]  " + str(msec).zfill(3) + " [msec]"