K = int(input())

d = [1] * 31
for i in range(1, 31):
    d[i] = d[i - 1] * 2

for x in range(31):
    for y in range(31):
        if 1 <= x + y <= 30:
            k = y * (y - 1) // 2 * d[x]
            if K == k:
                N = x + y
                print(N)
                ans = [0] * x + [1] * y
                print(*ans)
                exit()