def extract_arguments(fh):
    N = int(fh.readline().strip())
    segments = []
    for _ in range(N):
        x1, y1, x2, y2 = map(int, fh.readline().strip().split())
        segments.append(((x1, y1), (x2, y2)))
    return N, segments

# if __name__ == "__main__":
#     input_path = sys.argv[1]
#     with open(input_path, 'r') as fh: 
#     N, segments = extract_arguments(fh)
#     f(N, segments)