Международен валутен конвертор- вярна задача в ВС, но 0/100 точки в Джъдж

Здравейте,

проверявам задачата във VS и работи коректно, но в Judge ми дава 0 точки и не разбирам от къде е проблемът. Ето задачата:

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

namespace Eli_tu
{
    class Program
    {
        static void Main(string[] args)
        {
            double usd = 1.79549;
            double eur = 1.95583;
            double gbp = 2.53405;
            double convertedCurrency;
            double money = double.Parse(Console.ReadLine());
            string currentCurrency = Console.ReadLine();
            string requiredCurrency = Console.ReadLine();

                if (currentCurrency == "usd" && requiredCurrency == "bgn")
                {
                    convertedCurrency = money * usd;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "usd" && requiredCurrency == "eur")
                {
                    convertedCurrency = money * usd / eur;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "usd" && requiredCurrency == "gbp")
                {
                    convertedCurrency = money * usd / gbp;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
}

                if (currentCurrency == "eur" && requiredCurrency == "bgn")
                {
                    convertedCurrency = money * eur;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "eur" && requiredCurrency == "usd")
                {
                    convertedCurrency = money * eur / usd;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "eur" && requiredCurrency == "gbp")
                {
                    convertedCurrency = money * eur / gbp;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }

                if (currentCurrency == "gbp" && requiredCurrency == "bgn")
                {
                    convertedCurrency = money * gbp;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "gbp" && requiredCurrency == "eur")
                {
                    convertedCurrency = money * gbp / eur;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "gbp" && requiredCurrency == "usd")
                {
                    convertedCurrency = money * gbp / usd;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
}

                if (currentCurrency == "bgn" && requiredCurrency == "usd")
                {
                    convertedCurrency = money / usd;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "bgn" && requiredCurrency == "eur")
                {
                    convertedCurrency = money / eur;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
                else if (currentCurrency == "bgn" && requiredCurrency == "gbp")
                {
                    convertedCurrency = money / gbp;
                    Console.WriteLine(Math.Round(convertedCurrency, 2));
                }
        }
    }
}