using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Delegate

{

    public delegate void Myfunction();

    class Program

    {

        static void Main(string[] args)

        {

            Myfunction mf = MethodA;

            mf += MethodB;

            mf();

            Console.ReadLine();

        }

        public static void MethodA() {

            Console.WriteLine("A doing");

        }

        public static void MethodB()

        {

            Console.WriteLine("B doing");

        }

        public static void MethodC()

        {

            Console.WriteLine("C doing");

        }

    }

}