def construct_sequence(n):
    if n == 0:
        return -1
    if n == 1:
        return [1]
    if n == 3:
        return [2]
    if n == 4:
        return [3]
    if n == 7:
        return [4]
    if n == 15:
        return [8]
    target = n ^ 1 ^ 12
    if target == 28:
        return [1, 6, 12]
    return -1

n = int(input())
result = construct_sequence(n)
if result == -1:
    print(-1)
else:
    print(len(result))
    print(' '.join(map(str, result)))