using System;

namespace Articulos.Ch03
{
    public class ClaseBase
    {
        protected int X;
        public ClaseBase ()
        {
            X = 1;
        }
    }
    
    public class Subclase : ClaseBase
    {
        public Subclase ()
        {
            Console.WriteLine (X);
        }
    }
    
    public class ClasePrueba
    {
    	public static void Main()
    	{
    		Subclase sc = new Subclase();
    	}
    }
}