import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")

#######################################################################

n = ni()
if n==0:
    print(-1)
    exit()
a = []
for k in range(60,-1,-1):
    if n>>k&1:
        a.append(1<<k)
        n ^= (1<<k)-1
print(len(a))
print(*a)