#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    int n;
    cin >> n;

    cout << "01";
    for (int i = 0; i < n; i++) {
        cout << '0';
    }
    cout << endl;

    return 0;
}