using System;
using System.Collections;
class MainClass {
public static void Main() {
ArrayList al = new ArrayList();
Console.WriteLine("Initial number of elements: " + al.Count);
Console.WriteLine("Adding 6 elements");
// Add elements to the array list
al.Add('C');
al.Add('A');
al.Add('E');
al.Add('B');
al.Add('D');
al.Add('F');
Console.WriteLine("Number of elements: " + al.Count);
}
}