N = int(input())
if N==0:
    print(-1)
    exit()

L = format(N, 'b')[::-1]
ANS = [2**(len(L)-1)]
for i in range(len(L)-1):
    if L[i]!=L[i+1]:
        ANS.append(2**i)
print(len(ANS))
print(*ANS)