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

namespace USDtoBGN
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("USD = ");
            var usd = double.Parse(Console.ReadLine());
            var bgn = usd * 1.79549;
            Math.Round(bgn, 2);
            Console.WriteLine("BGN = {0}", bgn);

        }
    }
}