#include <bits/stdc++.h>
using i64 = long long;

int main() {
    int n;
    std::cin >> n;
    std::vector<std::vector<int>> t(n + 1);
    std::vector<int> s(n + 1, 1000000);
    for (int i = 1; i * i <= n; i++) {
        t[i * i].push_back(i);
        s[i * i] = i;
    }
    for (int i = 1; i <= 4; i++) {
        for (int j = 1; j <= n; j++) {
            if (t[j].size() == i) {
                for (int k = 1; j + k * k <= n; k++) {
                    int index = j + k * k;
                    if (!t[index].empty() && t[index].size() <= i) continue;
                    if (s[j] + k >= s[index]) continue;
                    t[index] = t[j];
                    t[index].push_back(k);
                    s[index] = s[j] + k;
                }
            }
        }
    }

    auto &v = t[n];
    std::sort(v.begin(), v.end());

    std::string ret(100000, '1');
    do {
        int base = 0;
        std::string c;
        for (auto e : t[n]) {
            for (int i = 0; i < e; i++) c += ((i + base) % 2 ? '1' : '0');
            base = !(e & 1);
        }
        ret = std::min(ret, c);
    } while (std::next_permutation(v.begin(), v.end()));

    std::cout << ret << std::endl;

    return 0;
}