#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<complex>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<tuple>
using namespace std;
typedef long long ll;
typedef unsigned int ui;
const ll mod = 1000000007;
const ll INF = (ll)1000000007 * 1000000007;
typedef pair<int, int> P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define Per(i,sta,n) for(int i=n-1;i>=sta;i--)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
typedef long double ld;
typedef complex<ld> Point;
const ld eps = 1e-8;
const ld pi = acos(-1.0);
typedef pair<ll, ll> LP;

int n;
int dp[300010];

void solve(){
    cin >> n;
    rep(i,n+1){
        dp[i]=mod;
    }
    dp[0]=0;
    rep(i,n+1){
        for(int k=1;i+k*k<=n;k++){
            dp[i+k*k]=min(dp[i+k*k],dp[i]+k);
        }
    }
    rep(i,n+1){
        //cout << i << " " << dp[i] << endl;
    }
    int l=dp[n],m=n;
    vector<int> ans;
    while(l>0){
        bool flag=false;
        for(int k=1;m-k*k>=0 && l-k>=0;k+=2){
            if(dp[m-k*k]==l-k){
                m-=k*k;
                l-=k;
                ans.push_back(k);
                flag=true;
                break;
            }
        }
        if(flag) continue;
        int j=2;
        while(m-(j+2)*(j+2)>=0){
            j+=2;
        }
        for(int k=j;k>=2;k-=2){
            if(dp[m-k*k]==l-k){
                m-=k*k;
                l-=k;
                ans.push_back(k);
                break;
            }
        }
    }
    int k=0;
    for(int s:ans){
        rep(i,s){
            cout << k%2 << "";
            k++;
        }
        k--;
    }
    cout << "" << endl; 
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << fixed << setprecision(50);
    solve();
}