def get_latitude_direction(latitude_degrees):
    """
    Returns the direction for the given latitude degrees.
    :param latitude_degrees: The degrees (not minutes) as an integer.
    :return: String containing the possible latitude directions (N, S).
    """
    if latitude_degrees is None:
        raise ValueError('No value provided for <latitude_degrees>')

    if latitude_degrees < 0:
        return "S"
    elif latitude_degrees > 0:
        return "N"
    else:
        return ""