def to_human(seconds):
    """Converts seconds to human readable (weeks, days, hours) form.

    :param int seconds: number of seconds.

    :return: (weeks, days, hours) equivalent to the seconds.

    :rtype: str
    """
    weeks = seconds / (7 * 24 * 60 * 60)
    days = seconds / (24 * 60 * 60) - 7 * weeks
    hours = seconds / (60 * 60) - 7 * 24 * weeks - 24 * days
    return '%sw, %sd, %sh' % (weeks, days, hours)
