using System;

using System.Collections;

public class Program

{

    public static void Main()

    {

        var list = new ArrayList();

        list.Add("Circle");

        list.Add("Triangle");

        list.Add("Square");

        foreach(var shapeType in list)

        {

            switch(shapeType.ToString())

            {

                case "Circle":

                      Console.WriteLine("Shape has no sides");

                    break;

                case "Triangle":

                    Console.WriteLine("Shape has 3 sides");

                    break;

                case "Square":

                    Console.WriteLine("Shape has 4 sides");

                    break;

                default:

                    Console.WriteLine("SUnable to determine the shape sides");

                    break;

            }

        }

    }

}