using System;

using System.Dynamic;

public class Program

{

    public static void Main()

    {

        dynamic o = new ExpandoObject();

        o.imie = "Michał";

        o.nazwisko = "Kowalski";

        o.wiek = 18;

        o.dodaj = new IntIntDelegate( (a, b) => dodaj(a, a));

        Console.WriteLine(o.imie);

        Console.WriteLine(o.nazwisko);

        Console.WriteLine(o.wiek);

        Console.WriteLine(o.dodaj(5,5));

    }

    public static int dodaj(int a, int b)

    {

        return a + b;   

    }

    public delegate int IntIntDelegate(int a, int b);

}