#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll INF = 0x1fffffffffffffff;


ll priority(ll a){
    return a & 1 ? a : INF - a;
}
int main(){
    ll n;
    cin >> n;
    assert(1 <= n && n <= 300000);
    vector<ll> dp(n + 1, INF), min(n + 1, INF), max(n + 1, -INF);
    dp[0] = 0;
    for(ll i = 0; i < n; i++) for(ll j = 1; i + j * j <= n; j++){
        if(dp[i + j * j] > dp[i] + j){
            dp[i + j * j] = dp[i] + j;
            min[i + j * j] = j;
            max[i + j * j] = j;
        }
        else if(dp[i + j * j] == dp[i] + j){
            if(priority(min[i + j * j]) > priority(j)) min[i + j * j] = j;
            if(priority(max[i + j * j]) < priority(j)) max[i + j * j] = j;
        }
    }
    char c = '0';
    while(n){
        ll cnt;
        if(c == '0') cnt = min[n];
        else cnt = max[n];
        n -= cnt * cnt;
        for(ll i = 0; i < cnt; i++){
            cout << c;
            c ^= 1;
        }
        c ^= 1;
    }
    cout << endl;
}