using System;

public class Program

{

    public Program()

    {

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

    {

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

    {

    Console.Write(" ");

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

    {

    Console.Write("*");

    }

    }

        Console.WriteLine("");

    }

    }

    public static void Main()

    {

        Program p = new Program();

    }

}