using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    namespace Valute
    {
        class Program
        {
        static void Main(string[] args)
        {
            // 1 bgn = 1.79549 usd
            // 1 bgn = 1.95583 eur
            // 1 bgn = 2.53405 gbp
            // 20      us to bgn    output -> 35.91 BGN
            // 100     eu to bg     output -> 51.13 EUR
            // 12,35   eur to gbp   output -> 9.53 GBP
            // 150,35  us to eur    output -> 138.02 EUR
            var bgn1US = 1.79549;
            var bgn2EU = 1.95583;
            var bgn3GBP = 2.53405;
            {
                var USDtoBGN = double.Parse(Console.ReadLine());
                Console.WriteLine("USD\nBGN");
                var resultUS = bgn1US * USDtoBGN;
                var result2US = Math.Round(resultUS, 2);
                Console.WriteLine("{0} BGN" , result2US);
            }
            {
                var EUtoBGN = double.Parse(Console.ReadLine());
                Console.WriteLine("BGN\nEUR");
                var resultEU = EUtoBGN / bgn2EU;
                var result2BGN = Math.Round(resultEU, 2);
                Console.WriteLine("{0} EUR", result2BGN );
            }
            {
                var EUtoGBP = double.Parse(Console.ReadLine());
                Console.WriteLine("EUR\nGBP");
                var resultEU2GB = (10 * bgn2EU) / (10 * bgn3GBP);
                var resultEU2GB2 = resultEU2GB * EUtoGBP;
                var resultGB3 = Math.Round(resultEU2GB2, 2);
                Console.WriteLine("{0} GBP", resultGB3);
            }
            {
                var UStoEU = double.Parse(Console.ReadLine());
                Console.WriteLine("USD\nEUR");
                var resultEUtoUS = (10 * bgn1US) / (10 * bgn2EU);
                var resultEutoUS2 = resultEUtoUS * UStoEU;
                var resultEUtoUs3 = Math.Round(resultEutoUS2, 2);
                Console.WriteLine("{0} EUR", resultEUtoUs3);
            }
        }
    }
    }