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

int dp[300005];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int N;
    cin >> N;
    
    memset(dp, 0x3f, sizeof(dp));
    dp[0] = 0;
    
    for (int i = 1; i * i <= N; i++) {
        int w = i * i;
        for (int j = w; j <= N; j++) {
            dp[j] = min(dp[j], dp[j - w] + i);
        }
    }
    
    int n = N;
    int s = 0;
    string ans = "";
    
    while (n > 0) {
        for (int l = 1; l * l <= n; l++) {
            if (dp[n - l * l] == dp[n] - l) {
                for (int i = 0; i < l; i++) {
                    ans += (s + i) % 2 + '0';
                }
                s = (s + l - 1) % 2;
                n -= l * l;
                break;
            }
        }
    }
    
    cout << ans << "\n";
    
    return 0;
}