using System;

​

public class A

{

    public static int Main(string[] args)

    {

        int i,j,x,stars,counter=0; 

        Console.Write("Please enter how many stars do you want?\t");

        Console.Write("\n");

        stars=Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Now you will Witness magic ");

        Console.Write("\n");

        for(i=1;i<stars*2;i++)

        {

            for(j=stars;j>=i;j--)

            {

                Console.Write("* ");

            }

            counter++;

            if(counter>stars)

            {

                for(x=counter;x>=stars;x--)

                {

                    Console.Write("* ");

                }

            }

            Console.Write("\n");

        }

        return 0;

    }

}