using System;

public class Program

{

    public static void Main()

    {

        var n = int.Parse(Console.ReadLine());

        for (int i = 0; i < n; i++) 

            {

            Console.WriteLine(

                new string(' ', n-i ) + 

                new string('*', i) + "*" +

                new string('*', i) +

                new string(' ', n-i));

            } 

    }

}