using System;

public class Program

{

    //create a (user-defined) method

    static void MyMethod() //method does not have a return value

    {

        //Code to be executed if the method called

        //action to be performed

        Console.WriteLine("I just got executed");

    }

    public static void MyChild(string fname = "Sakinah", int age = 45)

    {

        Console.WriteLine(fname + " Ali is " + age + " years old");

    }

    static int Sum(int x)

    {

        return 5 + x;

    }

    public static void Main(string[] args)

    {

        //call (execute) a method

        MyMethod();

        MyMethod();

        MyChild("Latifah", 19);

        MyChild("Abu", 21);

        MyChild();

        MyChild("Najib", 36);

        Console.WriteLine(Sum(3));

    }

}