#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

//template
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(a);i>(b);i--)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll; typedef pair<ll, ll> P;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<typename A,size_t N,typename T>void Fill(A(&array)[N],const T &val){fill((T*)array, (T*)(array+N), val);}
const int inf=INT_MAX/2; const ll INF=LLONG_MAX/2;
//template end

ll f(ll x){return (x&1)?x:INF-x;}

int main(){
    int n; scanf("%d",&n);
    ll dp[400000],mi[400000],ma[400000];
    Fill(dp,INF); Fill(mi,INF); Fill(ma,-INF); dp[0]=0;
    rep(i,0,n)rep(j,1,sqrt(n-i)+2){
        if(chmin(dp[i+j*j],dp[i]+j)){
            mi[i+j*j]=j; ma[i+j*j]=j;
        }
        else if(dp[i+j*j]==dp[i]+j){
            if(f(mi[i+j*j])>f(j))mi[i+j*j]=j;
            if(f(ma[i+j*j])<f(j))ma[i+j*j]=j;
        }
    }
    string ans; char c='0';
    while(n){
        cerr<<n<<endl;
        ll dec;
        if(c=='0')dec=mi[n];
        else dec=ma[n];
        n-=dec*dec;
        rep(i,0,dec){
            if(i)c^=1;
            ans+=c; 
        }
    }
    cout<<ans<<endl;
    return 0;
}