private static void ConvertFrom(CurrencyConverter currencyConverter)
{
Console.WriteLine("Choose option:");
Console.WriteLine("1: Convert to USD");
Console.WriteLine("2: Convert to EUR");
Console.WriteLine("3: Convert to RUB");
var option = int.Parse(Console.ReadLine());
Console.WriteLine("Enter amount");
var input = double.Parse(Console.ReadLine());
switch (option)
{
case 1:
Console.WriteLine(currencyConverter.ConvertToUsd(input));
break;
case 2:
Console.WriteLine(currencyConverter.ConvertToEur(input));
break;
case 3:
Console.WriteLine(currencyConverter.ConvertToRub(input));
break;
}
}