#include <bits/stdc++.h>
#define REP(i, start, end) for (int i=start, i##Len=(end); i < i##Len; ++i)
using ll = int64_t;
using namespace std;


int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(20);

    int N;
    cin >> N;
    static int dp[300010] = {};
    static int from[300010] = {};
    dp[N] = 1;

    while (dp[0] == 0) {
        REP(i, 0, N+1) if (dp[i] > 0) {
            ll base = 1;
            while (base*base <= i) {
                dp[i-base*base] = dp[i]+1;
                from[i-base*base] = i;
                ++base;
            }
        }
    }

    vector<int> result;
    int i = 0;
    while (i < N) {
        result.push_back(int(sqrt(static_cast<double>(from[i]-i+0.1))));
        i = from[i];
    }

    string answer = "";
    sort(result.begin(), result.end());
    for (auto x: result) {
        if (x % 2 == 0) continue;
        answer += "0";
        REP(i, 0, (x-1)/2) answer += "10";
    }
    int first_zero = 1;
    for (int i=result.size()-1; i >= 0; --i) {
        if (result[i] % 2) continue;
        if (first_zero) {
            REP(j, 0, result[i]/2) answer += "01";
        } else {
            REP(j, 0, result[i]/2) answer += "10";
        }
        first_zero ^= 1;
    }

    cout << answer << endl;
    return 0;
}