using System;

public class Program

{

    public static void Main()

    {

        int v = 5;

        for(int i = 1; i <= 5; i++)

        {

            for(int j = 1; j < v; j++)

            {

                Console.Write(" ");

            }

                v = v-1;

                for(int t = 1; t < i*2; t++)

                {

                 Console.Write();

                }

            Console.WriteLine();

        }

        Console.ReadLine(); 

    }

}