111

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Program
    {
        static void Main(string[] args)
        {



            Console.WriteLine("Which currency you want to convert");
            Start:
            string currency = Console.ReadLine().ToLower();
            {

                switch (currency)
                {
                    case "usd":

                        break;
                    case "bgn":

                        break;
                    case "eur":

                        break;
                    case "hkd":

                        break;
                    case "cad":

                        break;
                    case "gbp":

                        break;
                    case "rub":

                        break;
                    default:
                        Console.WriteLine("Please Input valid currency");
                         goto Start
                        ;
                }
            }
                Console.Write($"You are converting {currency} to ");
                string second = Convert.ToString(Console.ReadLine());
            if (second == currency)
            {
                Console.WriteLine("You cant convert the same currencies");
                goto Start
                    ;
            }
                double BGNUSD = 0.60;
                double EURUSD = 1.174;
                double HKDUSD = 0.1280;
                double CADUSD = 0.7772;
                double GBPUSD = 1.3322;
                double RUBUSD = 0.017;
                double convert;
                double percentage=0;


            Console.WriteLine("How much do you want ot convert");
                var value = Math.Abs(Int32.Parse(Console.ReadLine()));
                switch (currency)
                    {
                    case "eur":
                        percentage = EURUSD;
                        break;
                    case "bgn":
                        percentage = BGNUSD;
                        break;
                    case "hkd":
                        percentage = HKDUSD;
                        break;
                    case "cad":
                        percentage = CADUSD;
                        break;
                    case "gbp":
                        percentage = GBPUSD;

                        break;
                    case "rub":
                        percentage = RUBUSD;
                    break;
                    case "usd":
                    break;
                default:
                    percentage = 2;
                    break;
                    };
            Console.WriteLine(percentage);



                {

                    //Console.WriteLine($"{value} USD is {value * ratioUSDBGN} BGN");

                }





                }





            }
        }