def extract_arguments(fh):
    M = int(fh.readline().strip())
    brush_strokes = []
    for _ in range(M):
        brush_strokes.append(tuple(map(int, fh.readline().strip().split())))
    return M, brush_strokes

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