using System;

public class Program

{

    public static void Main()

    {

     int number, i, j, count = 1;  

     Console.Write("Enter number of rows:");  

     number = int.Parse(Console.ReadLine());  

     count = number - 1;  

     for (j = 1; j <= number; j++)  

     {  

         #region Printing Space  

         for (i = 1; i <= count; i++)  

             Console.Write(" ");  

         count--;  

         #endregion  

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

             Console.Write("*");  

         Console.WriteLine();  

     }  

     Console.ReadLine();    }

}