using System;

public class Program

{

    public static void Main()

    {

          int i, j, rows;

            Console.Write("\n\n");

            Console.Write("Display the pattern like right angle using asterisk:\n");

            Console.Write("------------------------------------------------------");

            Console.Write("\n\n");

​

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

            rows = Convert.ToInt32(Console.ReadLine());

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

            {

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

                    Console.Write("*");

                Console.Write("\n");

            }

    }

}