Currency Converter

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

namespace SoftUni
{
    class Program
    {
        static void Main(string[] args)
        {
            double value = double.Parse(Console.ReadLine());
            string from = Console.ReadLine();
            string to = Console.ReadLine();
            double x = 0;
            double y = 0;

            switch(from)
            {
                case "BGN": x = 1; break;
                case "USD": x = 1.79549; break;
                case "EUR": x = 1.95583; break;
                case "GBP": x = 2.53405; break;
            }
            switch (to)
            {
                case "BGN": y = 1; break;
                case "USD": y = 1.79549; break;
                case "EUR": y = 1.95583; break;
                case "GBP": y = 2.53405; break;
            }

            Console.Write(Math.Round((value*x)/y,2) + " " + to);

        }
    }
}