using System;
using System.Collections;
using System.Collections.Generic;

namespace RickyTest
{
    public class Starter
    {
        public static void Main(string [] shapeArray)
        {
		List<int> myList = new List<int>();  
		List.Add(1);
        }
    }
    public abstract class GeoShape
    {
        public GeoShape()
        {
            ++count;
            ID = count;
        }
        private static int count = 0;
        protected int ID = 0;

        public abstract void Draw();
    }
    public class Rectangle : GeoShape
    {
        public override void Draw()
        {
            Console.WriteLine("Drawing Shape {0} : rectangle", ID.ToString());
        }
    }
    public class Triangle : GeoShape
    {
        public override void Draw()
        {
            Console.WriteLine("Drawing Shape {0} : triangle", ID.ToString());
        }
    }
    public class Ellipse : GeoShape
    {
        public override void Draw()
        {
            Console.WriteLine("Drawing Shape {0} : ellipse", ID.ToString());
        }
    }
}