#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;
using ll = long long;

const int sz = 35;

int main(){
    ll k;
    cin >> k;
    vector<vector<ll>> a(sz , vector<ll>(sz , 0));
    
    for(int i = 1; i < sz; i++){
        a[i][0] = (ll)i * (i - 1) / (ll)2;
        for(int j = 1; j < sz; j++){
            a[i][j] = a[i][j - 1] * (ll)2;
        }
    }
    
    for(int i = 1; i < sz; i++){
        for(int j = 0; j < sz; j++){
            if(a[i][j] == k && i + j <= 30){
                cout << i + j << endl;
                for(int x = 0; x < i; x++){
                    cout << "1" << " ";
                }  
                for(int x = 0; x < j; x++){
                    cout << "0";
                    if(x != j - 1)cout << " ";
                    else cout << endl;
                }
                exit(0);
            }
        }
    }
    
    return 0;
}