using System;

public class Program

{

    private delegate int MyDelegate (int a, int b); 

​

    private int Mul (int a, int b)

    {

        return a * b;

    }

    private int Add (int a, int b)

    {

        return a + b;

    }   

    public void Main()

    {

    MyDelegate d = delegate (int a, int b)

    {

    Console.WriteLine($"{a},{b}");

    };

    }

}