def extract_arguments(fh):
    N, X, D = map(int, fh.readline().strip().split())
    return N, X, D

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