using System;

using static System.Console;

​

class A

{

    public virtual int met()  {

        WriteLine("A::met");

        return 0;

    }

}

​

class B : A

{

    public new int met()  {

        base.met();

        WriteLine("B::met");

        return 0;

    }

}

​

class C : A

{

    public override int met()  {

        base.met();

        WriteLine("C::met");

        return 0;

    }

}

​

public class HelloWorld

{

    public static void Main(string[] args)

    {

        A b = new B();

        A c = new C();

        WriteLine("Call B()");

        b.met();

        WriteLine("\nCall C()");

        c.met();

    }

}