#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 j = 1; j * j <= N; j++) {
        int w = j * j;
        for (int i = w; i <= N; i++) {
            dp[i] = min(dp[i], dp[i - w] + j);
        }
    }
    int rem = N;
    string ans = "";
    char cur = '0';
    while (rem > 0) {
        int bj = -1;
        for (int j = 1; j * j <= rem; j++) {
            if (dp[rem - j * j] + j == dp[rem]) {
                if (j % 2 == 1) {
                    bj = j;
                    break;
                } else {
                    if (bj == -1) bj = j;
                }
            }
        }
        for (int k = 0; k < bj; k++) {
            ans += cur;
            cur = (cur == '0' ? '1' : '0');
        }
        if (bj > 0) {
            cur = ans.back();
        }
        rem -= bj * bj;
    }
    cout << ans << "\n";
    return 0;
}