using System;

​

public class Person {

    //Fields

    //Methods

    //Properties

    public string FirstName {get; set;}

    public string LastName {get; set;}

    public DateTime Birthday  {get; set;}

    public int HeightInInches {get; set;}

    public string HeightInFeetInches(){

        return $"{HeightInInches/12}' {HeightInInches%12}\"";}

    public string GetFullName(/*nothing inside the quotation because values already assigned, don't need any input */){

        return $"{FirstName} {LastName}"; 

    }

    public int GetAge(){

        return DateTime.Now.Year - Birthday.Year;

    }

}

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        //Create a new person using the Person class.

        Person human = new Person();

        Person human2 = new Person();

        //Set the properties.

        human.FirstName = "Angel";

        human.LastName = "Hu";

        human.Birthday = new DateTime(1994, 5, 13);

        human.HeightInInches = 63;

        human2.FirstName = "Biscuit";

        human2.LastName = "Hu";

        human2.Birthday = new DateTime(2016, 6, 4);

        //Read the properties from the human instance of person.

        Console.WriteLine($"{human.GetFullName()} is {human.GetAge()} years old. {human.HeightInFeetInches()}");

        Console.WriteLine($"{human2.GetFullName()} {human2.Birthday}"); 

    }

}

​