#include<iostream>
#include<string>
#include<iomanip>
#include<cmath>
#include<vector>
#include<algorithm>
#include<deque>

using namespace std;

#define int long long
#define endl "\n"

const long long INF = (long long)1e18;
const long long MOD = 1'000'000'007; 

string yn(bool f){return f?"Yes":"No";}
string YN(bool f){return f?"YES":"NO";}

const int MAX = 310'000;
int hoge[MAX];
int fuga[MAX];
int temp[MAX];

int print(int x, int y){
	
	for(int i = 0; i < x; i++, y = !y){
		cout<<y;
	}
	
	return !y;
}
signed main(){
	cin.tie(0);
	ios::sync_with_stdio(false);
	cout<<fixed<<setprecision(10);
	
	int N;
	deque<int> ans, ans1, ans0;
	
	cin>>N;
	
	for(int i = 1; i < MAX; i++){
		hoge[i] = INF;
	}
	
	
	for(int j = 0; j <= N; j++){
		for(int i = 1; i*i <= N; i++){
			if(j + i*i <= N){
				if(hoge[j] == INF) continue;
				if(hoge[j] + i < hoge[j+i*i]){
					hoge[j+i*i] = hoge[j] + i;
					fuga[j+i*i] = i;
					temp[j+i*i] = i;
				} else if(hoge[j] + i == hoge[j+i*i]){
					if(i%2){
						if(temp[j+i*i]%2){
							if(temp[j+i*i] > i)temp[j+i*i] = i;
						} else {
							temp[j+i*i] = i;
						}
						
						if(fuga[j+i*i]%2){
							if(fuga[j+i*i] < i)fuga[j+i*i] = i;
						}
					} else {
						if(temp[j+i*i]%2){
						} else if(temp[j+i*i] < i){
							temp[j+i*i] = i;
						}
						
						if(fuga[j+i*i]%2){
							fuga[j+i*i] = i;
						} else if(fuga[j+i*i] > i){
							fuga[j+i*i] = i;
						}
					}
				}
			}
		}
	}
	
	for(int i = N, now = 0;;){
		if(i){
			int x = 0;
			if(!now) x = temp[i];
			else x = fuga[i];
			i -= x*x;
			
			now = print(x, now);
			
		} else break;
	}
	
	cout<<endl;
	return 0;
}