using System;

public class A{

    public int x;

    protected int y;

    private int z;

}

​

​

public class B : A{

​

    private int d;

    protected int e;

    public void Foo(){

        B b2 = new B();

        b2.e =2 ;

        b2.x =2;

        b2.y = 2;

    }

}

​

public class Program

{

    public static void Main()

    {

        B b1 = new B();

        b1.x = 1;

        b1.Foo();

    }

}