using System;

​

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

public class Program

{

    //계산기 함수

    public static void Calculator(int a, int b, MyDelegate dele)

    {

        Console.WriteLine(dele(a,b));

    }

    public static int plus(int a, int b) {return a+ b;}

    public static int minus(int a, int b) {return a-b;}

    public static int multiply(int a, int b) {return a *b;}

    public static void Main()

    {

        MyDelegate Plus = new MyDelegate(plus);

        MyDelegate Minus = new MyDelegate(minus);

        MyDelegate Multiply = new MyDelegate(multiply);

        Calculator(11, 22, Plus);

        Calculator(33, 22, Minus);

        Calculator(11, 22, Multiply);

    }

}