using System;

​

public class Working{

    public void drawHalfPyraLeft(int length)

    {

        for(int i =2; i<=length;i++)

        {

            for(int k=length; k>i;k--)

                Console.Write(" ");

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

                Console.Write("*");

            Console.WriteLine("");

        }

    }

    public void drawHalfPyra(int length)

    {

        for(int i =2; i<=length;i++)

        {

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

                Console.Write("*");

            Console.WriteLine("");

        }

    }

}

public class Program

{

    public static void Main()

    {

        Working w = new Working();

        w.drawHalfPyra(10);

    }

}