#include <stdio.h>
int main()
{
    char ch = '*';
    int n = 0;
    while(scanf("%d",&n) != EOF)
    {
        for (int i = 0; i < n;i++)
        {
            for (int j = 0; j< n; j++)
            {
                printf("* ");
            }
            printf("\n");
        }
    }
    
    
    return 0;
}