K=int(input())
one=[0,0]
for i in range(2,31):
  one.append(i*(i-1)//2)
zero=[0]
for i in range(1,29):
  zero.append(2**i)
for i in range(len(one)):
  for j in range(len(zero)):
    if one[i]*zero[j]==K:
      ans0,ans1=j,i
      break
ans=[0]*ans0+[1]*ans1
print(len(ans))
print(*ans)