import sys

sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()
dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = (1 << 63)-1
# inf = (1 << 31)-1
# md = 10**9+7
md = 998244353

# s = "110001001111"
# n = int(s, 2)
# print(n, len(s))

n = II()

if n==0:
    print(-1)
    exit()

dd = [int(c) for c in bin(n)[2:][::-1]]
# print(dd)

ii = []
for i in range(len(dd)-1):
    if dd[i] != dd[i+1]:
        ii.append(i)
ii.append(len(dd)-1)
# print(ii)

aa = [1 << i for i in ii]
print(len(aa))
print(*aa)

# x=0
# s=0
# for a in aa:
#     s+=a
#     a=a*2-1
#     x^=a
#
#     print(bin(x))
# print(x,s)