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
    ans = 0
    for i in range(0,n+1):
        ans += cb(n,i)
    
    return ans

def main():
    K = int(input())
    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()