//我真的服了,运行很多次都说我超了内存明明就两次循环
#include<stdio.h>
int main() {
    int n;
    while (scanf("%d", &n) != EOF) {
        for (int i = 1; i <=n; i++) {
            for (int j = 1; j <= n; j++) {
                printf("* ");
            }
            printf("\n");
        }
    }
    return 0;
}