#include "bits/stdc++.h"

using namespace std;

using ll = long long;
using ld = long double;

const int INF = (1 << 30) - 1;
const ll INF64 = ((ll)1 << 62) - 1;
const double PI = 3.1415926535897932384626433832795;

const int dx[] = { 0, 1, 0, -1 };
const int dy[] = { -1, 0, 1, 0 };

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	ll k;
	cin >> k;

	const ll N_MAX = 30;
	for (ll i = 0; i <= N_MAX; i++) {
		for (ll j = 1; j <= N_MAX; j++) {
			if (i + j > N_MAX) {
				continue;
			}

			ll w = (1LL << i) * (j * (j - 1) / 2LL);
			if (k != w) {
				continue;
			}

			cout << i + j << endl;
			vector<ll> res;
			for (ll zeroCnt = 0; zeroCnt < i; zeroCnt++) {
				res.emplace_back(0);
			}
			for (ll oneCnt = 0; oneCnt < j; oneCnt++) {
				res.emplace_back(1);
			}

			for (ll kk = 0; kk < res.size(); kk++) {
				if (kk) {
					cout << " ";
				}
				cout << res[kk];
			}
			cout << endl;

			return 0;
		}
	}
	return 0;
}