#include <stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    
    if (n < 1 || n > 10)
    {
        printf("Invalid input");
        return 0;
    }
    
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= i; j++)
        {
            printf("*");
        }
        printf("\n");
    }
    for (int i = n - 1; i >= 1; i--)
    {
        for (int j = 1; j <=1; j ++)
        {
            printf("*");
        }

            printf("\n");
    }
    return 0;