import java.util.ArrayList;

public class Lists
{
   public static void main (String[] args)
   {
      ArrayList list1 = new ArrayList();
      for (int i=1; i<=5; i++) list1.add(i);
      
      ArrayList list2 = new ArrayList();
      for (int i=6; i<=9; i++) list2.add(i);

      List l = new List();
//      System.out.println (l.member(4,list1));
//      System.out.println (l.append(list1,list2));
      System.out.println (l.reverse(list1));

   }
}