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