def main():
    N = input()
    if (bit_one_count := N.count("1")) == 1:
        print("No")
        return

    if bit_one_count == 2:
        print("Yes")
        return

    if len(N) == bit_one_count or bit_one_count == N.find("0"):
        print("Yes")
        return
    print("No")


if __name__ == "__main__":
    main()