using System;
 
namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            new MyClass.MyClass2.MyClass3().SayHello();
        }
 
    }
}
 
internal class MyClass
{
    public class MyClass2
    {
    	private string Hello { get { return "Hello!"; } }
 
        public class MyClass3
        {
            public void SayHello()
            {
                Console.WriteLine((new MyClass2()).Hello);
            }
        }
    }
}

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