using System;

​

namespace starpattern

{

    public class Program

    {

        public static void Main(string[] args)

        {

            int i, j;

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

            {

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

                {

                    Console.Write("*");

                }

                Console.WriteLine();

            }

            Console.ReadLine();

        }

    }

}