#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main(){
    
    int n;
    cin >> n;
    string ans, ans2;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < n; j++)
            ans += j + '0';
    
    
    if (n == 1)
        ans2 = "1";
    else
        for (char f : ans)
            ans2 = f + ans2;
    cout << ans2 << endl;
    
    return 0;

    
}