# -*- coding: utf-8 -*-
import sys

sum = int(input())
array = []

append_zero = 0
number_one = 0

for number_one in range(2, 31):
    x = number_one * (number_one - 1) / 2
    for append_zero in range(30 - number_one + 1):
        if (2 ** append_zero) * x == sum:
            for i in range(number_one):
                array.append(1)
            for j in range(append_zero):
                array.append(0)

            print(len(array))
            for i in range(len(array)):
                print(array[i], end=" ")
            sys.exit()