def extract_arguments(fh):
    N, F = map(int, fh.readline().strip().split())
    X = []
    for _ in range(N):
        row = list(map(int, fh.readline().strip().split()))
        X.append(row)
    return N, F, X

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