using System;

​

public class Program{

    static void DrawPyramid(int n){

        for(int i = 1; i <= n; i++){

            for(int j = i; j <= n; j++) {

                Console.Write("  ");

            }

            for(int k = 1; k <= 2 * i -1; k++) {

                Console.Write("*" + " ");

            }

            Console.WriteLine();

        }

    }

        public static void Main(string[] args){

            DrawPyramid(25); 

        }

}