#coding utf-8
#https://yukicoder.me/problems/no/688
#No.688 E869120 and Constructing Array 2
import math
k = int(input())
a = 0
n = 0
j = 0
def permutations_count(n,r):
    return math.factorial(n) // math.factorial(n - r)
for i in range(1,31):
    if i > 1:
        n = int(permutations_count(i,2) / 2)
        for j in range(0,30):
            if i + j > 30:
                break
            a = n * (2 ** j)
            if a == k:
                break
    if a == k:
        break
print(i + j)
for k in range(0,j):
    print('0', end=" ")
for l in range(0,i):
    print('1', end=" ")
print()