def cmyk_to_rgb(c, m, y, k):
    """Convert CMYK values to RGB values."""
    r = int(255 * (1.0 - (c + k) / 100.))
    g = int(255 * (1.0 - (m + k) / 100.))
    b = int(255 * (1.0 - (y + k) / 100.))
    return r, g, b