#include <stdio.h>
int main() {
    int n = 0;
    while (scanf("%d", &n) != EOF) {
        int i = 0;
        int j = 0;
        int m = n;
        //打印n+1行
        //2
        for (i = 0; i <= n; i++) {
            for (j = 0; j <= m; j++) {
                printf("%c ", '*');
            }
            m--;
            printf("\n");
        }
        //打印n行
        m = n;
        for (i = 1; i <= n; i++) {
            for (j = 0; j <= i; j++) {
                printf("%c ", '*');
            }
            printf("\n");
        }
    }
    return 0;
}