using System;

public class Program

{

    public static void Main()

    {

         int val = 4;  

         for (int a = 1; a <= val; a++)  

         {  

            for (int b = 1; b <= val-a; b++)  

            {  

            }  

            for (int c = 1; c <= a; c++)  

            {  

               Console.Write("*");  

            }  

            Console.WriteLine("");  

         }  

        // Console.ReadLine(); 

    }

}