def main():
    K = int(input())

    if K == 0:
        print(1)
        print(0)
        return

    for length in range(2, 31):
        for len_1 in range(1, length+1):
            if ((len_1) * (len_1 - 1) // 2) * 2 ** (length - len_1) == K:
                print(length)
                print(" ".join(list("1"*len_1 + "0"*(length-len_1))))
                return


if __name__ == "__main__":
    main()