public class Main
{
	public static void main(String[] args)
	{

		Day d1=new Day(2014,1,28);
		System.out.println(d1.toString()); //28 Jan 2014
		d1.advance(); //advance one day: 29 Jan 2014
		d1 = d1.next(); //advance one day: 30 Jan 2014
		System.out.println(d1.toString()); //30 Jan 2014

	}
}