using System;

public class Program

{

    public static void Main()

    {

        for(int i=0;i<5;i++)

        {

            for(int j=0;j<5-i;j++)

            {

                Console.Write(" ");

            }

            for(int j=0;j<5;j++)

            {

                if(i==0 || i==4 || j==0 || j==4)

                {

                    Console.Write("*");

                }

                else

                {

                    Console.Write(" ");

                }

            }

            Console.WriteLine();

        }

    }

}