#include <iostream>

using namespace std;

int main()
{
    int n;
    while (cin >> n)
    {
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                cout << "*"<<" ";
            }
            cout << endl;
        }
    }
    return 0;
}