public class DLLNode
{
	String 		Item;
	int 		Time;
	DLLNode 	Next;
	DLLNode 	Prev;

	public DLLNode(String newItem,int newTime,DLLNode newPrev)
	{
		Item 			= newItem;
		Time 			= newTime;
		Prev		 	= newPrev;
	}
	public DLLNode(String newItem,int newTime)
	{

Head = new DLLNode(null,null,null,null);

public class DLLNode
{
	String 		Item;
	int 		Time;
	DLLNode 	Next;
	DLLNode 	Prev;

	public DLLNode(String newItem,int newTime,DLLNode newNext,DLLNode newPrev)
	{
		Item 			= newItem;
		Time 			= newTime;
		Next 			= newNext;
		Prev		 	= newPrev;
	}
}

public class DLLList
{
	DLLNode Head;