using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(" *");

        Console.WriteLine(" **");

        Console.WriteLine(" ***");

        Console.WriteLine(" ****");

        Console.WriteLine(" *****");

        Console.WriteLine(" ******");

        Console.WriteLine(" *******");

        Console.WriteLine(" ********");

        Console.WriteLine(" *********");

        Console.WriteLine(" **********");

    }

}