#include<stdio.h>
int main()
{
	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; 
}