Currency Converter

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

namespace BGdolar
{
    class Program
    {
        static void Main(string[] args)
        {
            double num = double.Parse(Console.ReadLine());
            string Currency1 = Console.ReadLine();
            string Currency2 = Console.ReadLine();
            double valuta1 = 0.0;
            double valuta2 = 0.0;
            if (Currency1 == "BGN")
            {
                valuta1 = 1;
            }
            else if (Currency1 == "USD")
            {
                valuta1 = 1.79549;
            }
            else if (Currency1 == "EUR")
            {
                valuta1 = 1.95583;
            }
            else if (Currency1 == "GBP")
            {
                valuta1 = 2.53405;
            }
            if (Currency2 == "BGN")
            {
                valuta2 = 1;
            }
            else if (Currency2 == "USD")
            {
                valuta2 = 1.79549;
            }
            else if (Currency2 == "EUR")
            {
                valuta2 = 1.95583;
            }
            else if (Currency2 == "GBP")
            {
                valuta2 = 2.53405;
            }
            double result = num * (valuta1 / valuta2);
            Console.WriteLine(Math.Round(result, 2));
        }

        }
    }