#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <cmath>
#include <stdio.h>
#include <queue>
#include <deque>
#include <cstdio>
#include <set>
#include <map>
#include <bitset>
#include <stack>
#include <cctype>
using namespace std;
int main() {
	int k;
	cin >> k;
	for (int i = 2; i <= 30; i++) {
		int k1 = k / (i * (i - 1) / 2);
		int co = 0;
		while (k1 % 2 == 0) {
			k1 /= 2;
			co++;
		}
		if (k1 == 1) {
			cout << co + i << endl;
			for (int j = 0; j < i; j++) {
				cout << 1;
				if (j != co + i - 1) {
					cout << " ";
				}
			}
			for (int j = 0; j < co; j++) {
				cout << 0;
				if (j + i != co + i - 1) {
					cout << " ";
				}
			}
			cout << endl;
			return 0;
		}
	}
}