#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

vector<int> zero_one(ll k){
    ll zero = 1;
    vector<int> ret(2);
    for(int i = 0; i <= 30; i++){
        for(int j = 2; i + j <= 30; j++){
            ll tmp = j * (j - 1) / 2;
            if(tmp * zero == k){
                ret.at(0) = i;
                ret.at(1) = j;
                return ret;
            }
        }
        zero *= 2;
    }
    ret.at(0) = 1;
    ret.at(1) = 0;
    return ret;
}

int main(void){
    ll k;
    cin >> k;
    auto ans = zero_one(k);
    cout << ans.at(0) + ans.at(1) << endl;
    for(int i = 0; i < ans.at(0); i++) cout << 0 << " ";
    for(int i = 0; i < ans.at(1); i++) cout << 1 << " ";
    cout << endl;
    return 0;
}