public class BrianLinkedList {

	private class Node {
		int value;
		Node next;
		Node(int value, Node n) {
			this.next = n;
			this.value = value;
		}
	}

	private int size = 0;
	private Node head = new Node(0, null);
	private Node tail = null;


	BrianLinkedList() {
		tail = head;
	}

	void add(int value) {
		tail.next = new Node(value, null);
		tail = tail.next;
		size++;
	}

	void delete(int value) {
		if (size == 0)
			return;
		else {
				Node pointer = head;
				while (pointer.next != null) {
					if (pointer.next.value == value) {
						size--;
						pointer.next = pointer.next.next;
					}

					pointer = pointer.next;
				}



				size--;
			}
	}

	int size() {
		return size;
	}


	public static void main(String[] args) {
		BrianLinkedList b = new BrianLinkedList();

		b.add(1);
		b.add(1);
		b.add(1);
		b.add(1);
		b.delete(1);

		System.out.println(b.size());
	}
}