import unit4.collectionsLib.Node;


public class main
{

	/**
	 * @param args
	 */
	public static Node<Integer> return1 (Node<Integer> list)
	{
		int num =check(list);
		for (int i = 0; i < num; i++)
		{
			list=delete(list);
		}
		return list;
	}
	public static int check (Node<Integer> list)
	{
		int count=0;
		while (list!=null)
		{
			if (list.getInfo()%2==0)
				count++;
			list=list.getNext();
		}
		return count;
	}

	public static Node<Integer> delete (Node<Integer> list)
	{
		Node<Integer> help=list;
		if (list.getInfo()%2==0)
		{
			list=list.getNext();
			help.setNext(null);
			return list;
		}
		else{
			help=list;
			Node<Integer> help2=list.getNext();
			while (help2!=null)
			{
				if (help2.getInfo()%2==0)
				{
					help.setNext(help2.getNext());
					help2.setNext(null);
					return list;
				}
				help=help.getNext();
				help2=help2.getNext();
			}
				System.out.println("Non");
				return list;
		}

	}


	public static void main(String[] args)
	{
		Node<Integer> list=new Node<Integer> (0);
		Node<Integer> help=list;
		Node<Integer> help2;
		for (int i = 1; i < 5; i++)
		{help2=new Node<Integer>(i);
			help.setNext(help2);
			help=help.getNext();
		}

		System.out.println("Even: "+check(list));
		list=return1(list);
		help=list;
		while (help!=null)
		{
			System.out.println(help.getInfo());
			help=help.getNext();
		}



	}

}