N = int(input())
if N == 0:
    print(-1)
elif N == 1:
    print(1)
    print(1)
else:
    if N % 2 == 1:
        remaining = N ^ 1
        if remaining == 16:
            print(3)
            print(1, 6, 12)
        else:
            print(-1)
    else:
        if N == 16:
            print(2)
            print(6, 12)
        else:
            print(-1)