public class TestDateTime {
	public static void main(String[] args){
		Date today = new Date(2006, 10, 16);
		Time now = new Time(2006, 10, 16, 11, 38, 0);
		today = new Date();
		now = new Time();
		System.out.println("today is " + today.toString());
		System.out.println("time now is " + now.toString());
		/* for (int i=0; i<10; i++){
			int k = (int) (12*Math.random());
			System.out.println(k);
		} */
	}
}
class Date {
	private int year;
	private int month;
	private int day;
	public Date(){
		this((int) (2000*Math.random()) + 1000, (int)(12*Math.random()) + 1, (int)(31*Math.random()) + 1);
		
	}
	public Date(int yr, int mo, int da){
		year = yr;
		month = mo;
		day = da;
	}
	// advance the day by n
	public void advanceDay(){
		if (day < monthLength()) {
		    day = day + 1;
		}
		else {
			day = 1;
			month++;
		}
	}
	public String toString(){
		return "Year " + year + " Month " + month + " Day " + day;
	}
	public int monthLength(){
		if (month == 2)
			return 28;
		else if (month == 9 || month == 4 || month == 6 || month == 11)
			return 30;
		else
			return 31;
	}
}
class Time extends Date{
	private int hour;
	private int minute;
	private int second;
	public Time() {
		super();
		hour = (int) (24*Math.random());
		minute = (int) (60*Math.random());
		second = (int) (60*Math.random());
	}
	public Time(int yr, int mo, int da, int hr, int min, int sec){
		super(yr, mo, da);
		hour = hr;
		minute = min;
		second = sec;
	}
	public String toString(){
		return super.toString() + " Hour " + hour + " Minute " + minute + " Second " + second;
	}
	public boolean morning(){
		return (hour < 12);
	}
}