def solve(n):
    i = 0
    while 2**i <= n:
        j = n / (2**i)
        for k in range(1,30):
            if k * (k+1) / 2 == j and i + k + 1 <= 30:
                return (i,k+1)
        i += 1
    else:
        return (1,0)

n = int(raw_input())
(a,b) = solve(n)
print a+b
print ' '.join(map(str, [0]*a + [1]*b))