using System;

public class Program

{

    public static void Main()

    {

        var Answerd = false;

        while (!Answerd)

        {

            Console.WriteLine("What currency would you like to convert to: ");

            var exchangeCurrency = Console.ReadLine();

            var exchangeAmmount = 0;

            if (exchangeCurrency == "USD")

            {

                var exchangeOutput = (exchangeAmmount * 1.40);

                Answerd = true;

            }

            else if (exchangeCurrency == "TRY")

            {

                var exchangeOutput = (exchangeAmmount * 5.68);

                Answerd = true;

            }

            else 

                Console.WriteLine("This is not a valid option, please try again\n");

            {

            }

        }

    }

}