using System;

public class A{
  public int v = 1;
  
  public virtual int V{
    get{ return v;}
  }   
}

public class B: A{
  public new int v = 5;

  public override int V{
    get{ return v;}
  }   
}

public class App{
  public static void Main(){   // Static type    Dynamic type
    A anA =      new A(),      //     A             A
      anotherA = new B();      //     A             B
    B aB =       new B();      //     B             B
  
    Console.WriteLine(
     "{0}",                // Variable access  Property Access
       anA.V               //   1                1
       + anotherA.V        //   1                5     
       + ((B)anotherA).V   //   5                5
       + aB.V              //   5                5
    );
  }
}