#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <string>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <stdio.h>
using namespace std;
#define int long long
int MOD = 1000000007;
int solve(int a1, int a0) {
	return ((int)1 << a0) * (a1 * (a1 - 1) / 2);
}
signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	int N;
	cin >> N;
	for (int i = 0; i <= 30; i++) {
		for (int j = 0; j <= 30; j++) {
			if (i+j>0 && i + j <= 30) {
				if (N == solve(i, j)) {
					cout << i + j << endl;
					for (int ii = 0; ii < i; ii++) {
						cout << 1 << " ";
					}
					for (int ii = 0; ii < j; ii++) {
						cout << 0 << " ";
					}
					cout << endl;
					return 0;
				}
			}
		}
	}

}