static void Main(string[] args)
{
// all features: FULXY-NADQW-ZAMPX-PQHUT
// just abs method: KDDSE-QWAOT-LGFUL-JLZTM
var math = new MathMethods("FULXY-NADQW-ZAMPX-PQHUT");
Console.WriteLine(math.Abs(5));
Console.WriteLine(math.Fibonacci(5));
Console.ReadLine();
return;
}