#include<stdio.h>
int main()
{
    int a = 0;
    int i;
    int x;
    int j;
    while (scanf("%d", &a) != EOF)
    {

        for (i = a+1; i > 0; i--)
        {
            for (j = i; j > 0; j--)
                printf("* ");
            printf("\n");
        }
        for (i = 0; i < a; i++)
        {
            for (x = 0; x <= i+1; x++)
            {
                printf("* ");
            }
            printf("\n");
        }

    }
    return 0;
}