Signal.java
{{{

public class Signal {
	int firstTime, secondTime, thirdTime;
	String color, color2, color3;
	private Time[] times;
	public Signal(int firstTime, String color, int secondTime, String color2, int thirdTime, String color3) {
		this.color= color;
		this.firstTime= firstTime;
		this.secondTime= secondTime;
		this.color2= color2;
		this.thirdTime= thirdTime;
		this.color3= color3;
	}
	public String getColor(int time) {
		int adjustedTime= time%(firstTime+ secondTime + thirdTime);
		if(adjustedTime < firstTime) 
			return color;
		else if (adjustedTime<firstTime+secondTime)
			return color2;
		else return color3;
	}
	
	public String getColorWithDate(int year, int month, int day, int hour, int minute, int second)
	{
		int totalSecond=((((365*(year-2000)+(month-1)*30+(day-1)*24+hour)*60)+minute)*60+second);
		return getColor(totalSecond);
	}
	
	public void insertCrosser(Time[] times ) {
		this.times= times;
	}
	public int checkViolation()
	{
		int number= 0;
		for (Time time : times) {
			if(getColorWithDate(time).equals("Red")) {
				number++;
			}
		}
		return number;
	}
	private String getColorWithDate(Time time) {
		return getColorWithDate(time.year, time.month, time.day, time.hour, time.minute, time.second);
	}
	
	
	public static void main(String []args)
	{
		Signal signal= new Signal(120, "Red", 5, "Yellow", 30, "Green");
		System.out.println(signal.getColor(30));
		System.out.println(signal.getColor(120));
		System.out.println(signal.getColorWithDate(2007, 3, 24, 12, 30, 24));
		System.out.println(signal.getColorWithDate(2000, 1, 1, 0, 0, 0));
		
		Time[] times2= new Time[3];
		times2[0]= new Time(2004, 2, 3, 11, 25, 16);
		times2[1]= new Time(2002, 7, 21, 5, 3, 55 );
		times2[2]= new Time(2012, 1, 1, 0, 0, 1);
		
		signal.insertCrosser(times2);
		System.out.println(signal.checkViolation());
	}
	
	
}
}}}
Time.java
{{{

public class Time{
	public int year;
	public int month;
	public  int day;
	public  int minute;
	public  int hour;
	public  int second;
	public Time() {
		
	}
	public Time(int year, int month, int day, int hour, int minute, int second ) {
		this.year= year;
		this.month= month;
		this.day= day;
		this.hour= hour;
		this.minute= minute;
		this.second= second;
	}
	
}

}}}