using System;

public class Program

{

    public class Person

    {

        public String FirstName {get; set;}

        public String LastName {get; set;}

        public double Age {get; set;}

        public void Speak (String msg) 

        {       

            String fullName = GetFullName();

            Console.WriteLine(msg + fullName);

        }

        public String GetFullName()

        {

            return FirstName + " " + LastName;

        }

    }

    public static void Main()

    {

            Person eric = new Person();

            eric.FirstName = "Eric";

            eric.LastName = "James";

            eric.Age = 88.5;

            eric.Speak("Hello");

    }

}