using System;

using System.Threading;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Thread.Sleep(10);

        Console.WriteLine("Sleep");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Thread.Sleep(10);

        Console.WriteLine("Sleep");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Thread.Sleep(10);

        Console.WriteLine("Sleep");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

        Console.WriteLine($"Prop : {new A().prop}");

        Console.WriteLine($"Field: {new A().field}");

    }

}

​

public class A

{

    public long prop { get; } = DateTime.Now.Ticks;

    public long field = DateTime.Now.Ticks; 

}