#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 = 110000;
int hoge[MAX];
int fuga[MAX];
int temp[MAX];

void print(int x, int y){
	
	for(int i = 0; i < x; i++, y = !y){
		cout<<y;
	}
}
signed main(){
	// cin.tie(0);
	// ios::sync_with_stdio(false);
	// cout<<fixed<<setprecision(10);
	
	int N;
	vector<int> ans, ans1, ans0;
	
	cin>>N;
	
	for(int i = 1; i < MAX; i++){
		hoge[i] = INF;
	}
	
	for(int i = 1; i*i <= N; i++){
		for(int j = 0; j <= N; j++){// cout<<i<<" <> "<<j<<endl;
			if(j + i*i <= N){
				if(hoge[j] + 1 < hoge[j+i*i]){
					hoge[j+i*i] = hoge[j] + 1;
					fuga[j+i*i] = j;
					temp[j+i*i] = i;
				} else if(hoge[i] + 1 == hoge[j+i*i]){
					if(i%2){
						if(temp[j+i*i]%2 && temp[j+i*i] > i){
							fuga[j+i*i] = j;
							temp[j+i*i] = i;
						} else {
						}
					} else {
						if(temp[j+i*i]%2){
							fuga[j+i*i] = j;
							temp[j+i*i] = i;
						} else if(temp[j+i*i] < i){
							fuga[j+i*i] = j;
							temp[j+i*i] = i;
						}
					}
				}
			}
		}
	}
	
	for(int i = N, b = -1;; i = fuga[i]){
		if(i){
			if(temp[i]%2) ans1.push_back(temp[i]);
			else ans0.push_back(temp[i]);
		}
		b = i;
		if(!i) break;
	}
	
	int now = 0;
	sort(ans1.begin(), ans1.end());
	
	sort(ans0.begin(), ans0.end(), greater<int>());
	
	for(int i = 0, j = 0, k = 0; i < ans1.size(); i++){
		ans.push_back(ans1[i]);
	}
	for(int i = 0, j = 0, k = 0; i < ans0.size(); i++){
		ans.push_back(ans0[i]);
	}
	
	for(int i = 0, now = 0; i < ans.size(); i++){
		print(ans[i],now);
		if(ans[i]%2==0) now = !now;
	}
	cout<<endl;
	
	return 0;
}