#include <iostream>

using namespace std;

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

    cout << " \n";
    j++;
  }

  

  return 0;
}