{

public delegate int Dlg(int a, string st);

class Program

{

static void Main(string[] args)

{

Dlg d1 = new Dlg(MyMethods.Sum);

int result = d1.Invoke(50, "Armenia");

Console.WriteLine("Result is " + result);

Dlg d2 = MyMethods.Sum;

int rst = d2(121, "Erevan");

Console.WriteLine("Res is " + rst);

d2 += MyMethods.Multy;

MyMethods md = new MyMethods();// kamel karelie "d2+= new MyMethods().Sub;"

d2 += md.Sub;

int r = d2(119, "Sona");

Console.WriteLine(r);

Delegate[] dl = d2.GetInvocationList();

foreach (Dlg g in dl)

{

Console.WriteLine(g.Method.Name + "\t" + g.Target);

}

}

}

}