#include <stdio.h>

int main() 
{
   int a=1,b=1,c;
   while(scanf("%d",&c) !=EOF)
   for(a=1;a<=c;a++)
   {
    for(b=1;b<=c;b++)
    {
      printf("* ");
    }
      printf("\n");
   }
   

    return 0;
}