import math

def cb(n,k):
    return int(math.factorial(n) / math.factorial(k) / math.factorial(n-k))
    
def sumCB(n): # nC0 ~ nCnまでの合計
    return 2**n

def main():
    K = int(input())
    if K == 0:
        print(1)
        print(1)
    else:
        for n in range(2,31):
            for i in range(2,n+1): # i:1の個数
                if K % cb(i,2) == 0:
                    if cb(i,2) * sumCB(n-i) == K:
                        print(n)
                        b = '1' * i
                        b += '0' * (n-i)
                        print(' '.join(list(b)))
                        break
                else:
                    continue

if __name__ == '__main__':
    main()