using System;

public class Program

{

    public static void Main()

    {

        var myNancy = new MyObject("Nancy", "Tsai");

        Console.WriteLine("FormalName= " + myNancy.FormalName);

        var myObj = new MyObject("Jesse", "Ringrose");

        Console.WriteLine("Name= " + myObj.Name);

        Console.WriteLine("FullName= " + myObj.FullName);

        Console.WriteLine("FormalName= " + myObj.FormalName);

    }

    public class MyObject {

        // FIELDS:

        private string myFirstName;

        private string myLastName;

        // PROPERTIES:

        public string Name {

            get {

                return myFirstName;

            }

        }

        public string FullName {

            get {

                return myFirstName + " " + myLastName;

            }

        }

        public string FormalName {

            get {

                return "Mr " + myFirstName + " " + myLastName;

            }

        }

        // CONSTRUCTOR:

        public MyObject(string firstName, string lastName){

            this.myFirstName = firstName;

            this.myLastName = lastName;

        }

    }

}