private static void ConvertTo(CurrencyConverter currencyConverter)
{
Console.WriteLine("Choose option:");
Console.WriteLine("1: Convert from USD");
Console.WriteLine("2: Convert from EUR");
Console.WriteLine("3: Convert from RUB");
var option = int.Parse(Console.ReadLine());
Console.WriteLine("Enter amount");
var input = double.Parse(Console.ReadLine());
switch (option)
{
case 1:
Console.WriteLine(currencyConverter.ConvertFromUsd(input));
break;
case 2:
Console.WriteLine(currencyConverter.ConvertFromEur(input));
break;
case 3:
Console.WriteLine(currencyConverter.ConvertFromRub(input));
break;
}
}