public static void Main()
Console.WriteLine("Въведете сума:");
var num = double.Parse(Console.ReadLine());
Console.WriteLine("Въведете валута:");
var first = Console.ReadLine();
Console.WriteLine("Въведете валута:");
var second = Console.ReadLine();
Console.WriteLine(Math.Round(num * 1.79549, 2));
else if (second == "eur")
Console.WriteLine(Math.Round(num / 1.95583, 2));
else if (second == "gbp")
Console.WriteLine(Math.Round(num * 2.53405, 2));
Console.WriteLine(Math.Round(num * 1.79549, 2));
else if (second == "eur")
Console.WriteLine(Math.Round((num * 1.79549) / 1.95583, 2));
else if (second == "gbp")
Console.WriteLine(Math.Round((num * 1.79549) / 2.53405, 2));
Console.WriteLine(Math.Round(num * 1.95583, 2));
else if (second == "usd")
Console.WriteLine(Math.Round((num * 1.95583) / 1.79549, 2));
else if (second == "gbp")
Console.WriteLine(Math.Round((num * 1.95583) / 2.53405, 2));
Console.WriteLine(Math.Round(num * 2.53405, 2));
else if (second == "usd")
Console.WriteLine(Math.Round((num * 2.53405) / 1.79549, 2));
else if (second == "eur")
Console.WriteLine(Math.Round((num * 2.53405) / 1.95583, 2));