#include <bits/stdc++.h>

using namespace std;

using ll = long long;

string calc(int num, int bg) {
    string res = "";
    for (int i = 0; i < num; i++) {
        res += (char)('0' + bg);
        bg = 1 - bg;
    }
    return res;
}

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    
    vector<int> dp(n + 1);
    vector<int> dp2(n + 1, 1);
    for (int i = 0; i <= n; i++) dp[i] = i;
    dp2[0] = 0;
    
    for (int i = 2; i * i <= n; i++) {
        for (int j = i * i; j <= n; j++) {
            int cost = dp[j - i * i] + i;
            if (dp[j] > cost) {
                dp[j] = cost;
                dp2[j] = i;
            }
        }
    }
    
    vector<int> odd;
    deque<int> even;
    int cur = n;
    while (cur > 0) {
        if (dp2[cur] % 2 == 1) odd.push_back(dp2[cur]);
        else even.push_back(dp2[cur]);
        cur -= dp2[cur] * dp2[cur];
    }

    sort(odd.begin(), odd.end());
    sort(even.begin(), even.end());

    string ans = "";
    for (int x : odd) {
        ans += calc(x, 0);
    }

    int bg = 0;
    while (!even.empty()) {
        if (bg == 0) {
            ans += calc(even.back(), bg);
            even.pop_back();
            bg = 1;
        } else {
            ans += calc(even.front(), bg);
            even.pop_front();            
            bg = 0;
        }
    }
    cout << ans << endl;
    return 0;
}