#include <iostream>

using namespace std;

int main()
{
    int n, i, j, k;
    cin >> n;
    for(i = 1; i <= n; ++i){
        for(j = 1; j <= i; ++j){
            for(k = 1; k <= i; ++k)
                cout << i;
            cout << endl;
        }
    }
    return 0;
}