using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please select a number between 0 - 10");

        int limit = GetRangedInput();

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

        {

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

            {

                Char Symbol = Convert.ToChar(i);

                Symbol = '$';

                Console.Write(Symbol);

            }

                Console.Write("\n");

        }

        static int GetRangedInput()

    {

        int Number = 0;

        int TryAgain = 0;

​

        String InputedNumber = Console.ReadLine(); 

        try

        {

            Number = Convert.ToInt32(InputedNumber);

        }

        catch

        {

                Console.WriteLine("ERROR - Please try again");

                    TryAgain = GetRangedInput();

                        return TryAgain;    

        }

        if(Number <= 10)

                {

                    Console.WriteLine("Thank you!");

                    return Number;

                }

                else

                {

                    Console.WriteLine("ERROR - Please try again");

                    TryAgain = GetRangedInput();

                    return TryAgain;

                }

    }

    }

}