12. Currency Converter

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

namespace ConsoleApp5
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal currency = decimal.Parse(Console.ReadLine());
            string inputCurrency = Console.ReadLine().ToUpper();
            string outputCurrency = Console.ReadLine().ToUpper();

            if (inputCurrency == "USD")
            {
                currency = currency * 1.79549m;
            }
            else if (inputCurrency == "EUR")
            {
                currency = currency * 1.95583m;
            }
            else if (inputCurrency == "GBP")
            {
                currency = currency * 2.53405m;
            }

            if (outputCurrency == "USD")
            {
                currency = currency / 1.79549m;
            }
            else if (outputCurrency == "EUR")
            {
                currency = currency / 1.95583m;
            }
            else if (outputCurrency == "GBP")
            {
                currency = currency / 2.53405m;
            }

            Console.WriteLine("{0} {1}", Math.Round(currency, 2), outputCurrency.ToUpper());
        }
    }
}