//g++ -std=c++11 -Wall -O2 -o main.exe main.cpp
//g++ -std=c++14 -Wall -O2 -o main.exe main.cpp

#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <functional>
#include <algorithm>
#include <complex>
#include <numeric>
#include <queue>
#include <stack>
#include <tuple>

using namespace std;

#define spc " "
#define com ", "

typedef long long ll;
typedef long double ld;
typedef pair<int, int> p_ii;
typedef tuple<int, int, int> tup;

//------------------------------------------------------------------------------

ll c(int n){
    return (n * (n - 1)) / 2;
}

int main(){
    ll k;
    cin >> k;

    for(int i = 1; i <= 30; i++){
        for(int j = 0; j <= 30; j++){
            if(c(i) * pow(2, j) == k && i + j <= 30){
                cout << (i + j) << endl;
                for(int k = 0; k < i; k++) cout << '1' << spc;
                for(int k = 0; k < j; k++) cout << '0' << (k == j - 1 ? "" : spc);
                cout << endl;
                return 0;
            }
        }
    }

    return 0;
}