using System;

public class Program

{

    public static  void Main()

    {

        classA a = new classC();

        Console.WriteLine(a.Print());

    }

​

    public class classA

    {

        public virtual string Print()

        {

            return "classA";

        }

    }

​

    public class classB : classA

    {

        public override string Print()

        {

            return "classB";

        }

    }

​

    public class classC : classB

    {

        public new string Print()

        {

            return "ClassC";

        }

    }

}