#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;

	vector<vector<ll>> dp(N_MAX + 1, vector<ll>(N_MAX + 1));
	dp[0][2] = 1;
	for (ll i = 3, addNum = 2; i <= N_MAX; i++, addNum++) {
		dp[0][i] = dp[0][i - 1] + addNum;
	}

	for (ll i = 1; i <= N_MAX; i++) {
		for (ll j = 0; j <= N_MAX; j++) {
			dp[i][j] = dp[i - 1][j] * 2LL;
		}
	}

	for (ll i = 1; i <= N_MAX; i++) {
		for (ll j = 0; j <= N_MAX; j++) {
			if (dp[i][j] != k) {
				continue;
			}

			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);
			}

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

				cout << res[kk];
			}
			cout << endl;

			return 0;
		}
	}
	return 0;
}