def convert_decimal_to_degrees(decimal):
    """
    Convert decimal degrees to degree-minute-second format.

    Example:
        >>> convert_decimal_to_degrees(30.56)
        (30, 33, 36)

    Args:
        Decimal: degree in decimals
    Returns:
        Tuple of degree-minute-second.
    """
    degrees = int(decimal)
    minutes = int((decimal - degrees) * 60)
    seconds = round((decimal - degrees - minutes / 60.0) * 3600, 4)
    return degrees, minutes, seconds
