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

namespace Currency_Converter
{
    class Program
    {
        static void Main(string[] args)
        {
            double sum = double.Parse(Console.ReadLine());
            string inCurrance = Console.ReadLine();
            string outCurrance = Console.ReadLine();

            if (inCurrance == "BGN")
            {
                if (outCurrance == "EUR")
                {
                    double bank = sum * 1.95583;
                    Console.WriteLine("You hava " + Math.Round(bank, 2) + " leva");
                }
                if (outCurrance == "USD")
                {
                    double bank2 = sum * 1.79549;
                    Console.WriteLine("You have " + Math.Round(bank2, 2) + " leva");
                }

                if (outCurrance == "GBR")
                {
                    double bank3 = sum * 2.53405;
                    Console.WriteLine("You have " + Math.Round(bank3, 2) + " leva");
                }
            }
        }
    }
}