public class LinkedList {
    int length;
    Node head;

    public LinkedList () {
	length = 0;
	head = null;
    }


    public static Node removeSecond (Node list) {
        Node first = list;
        Node second = list.next;

        // make the first node refer to the third
        first.next = second.next;

        // separate the second node from the rest of the list
        second.next = null;
        return second;
    }

    // print: print the list
    public void print () {
	Node node;

	System.out.print ("(");

	// start at the beginning of the list
	node = head;

	// traverse the list, printing each element
	while (node != null) {
	    System.out.print (node.cargo);
	    node = node.next;
	    if (node != null) {
		System.out.print (", ");
	    }
	}
	
	System.out.println (")");
    }

    public void printBackward () {
	System.out.print ("(");

	if (head != null) {
	    Node tail = head.next;
	    Node.printBackward (tail);
	    System.out.print (head);
	}
	System.out.println (")");
    }	
}