#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <set>
#include <map>

using namespace std;
typedef long long ll;

int N;
int d[300001];

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    cin >> N;
    for(int i = 1; i <= N; i++) d[i] = 1e7;
    for(int i = 0; i < N; i++){
        for(int j = 1; i+j*j <= N; j++){
            d[i+j*j] = min(d[i]+j, d[i+j*j]);
        }
    }
    int cur = N;
    vector<int> v, u;
    for(int i = 1; i*i <= N; i +=2 ) v.push_back(i);
    for(int i = 2; i*i <= N; i += 2) u.push_back(i);
    for (auto itr = rbegin(u); itr != rend(u); itr++) v.push_back(*itr);
    int tmp = 0;
    for(int i : v){
        while(true){
            if(cur == 0) break;
            if(cur-i*i < 0) break;
            if(d[cur-i*i]+i != d[cur]) break;
            cur -= i*i;
            for(int j = 0; j < i; j++) cout << (char)('0'+(tmp^(j%2)));
            if(i%2 == 0) tmp ^= 1;
        }
    }
    cout << endl;
}