public class Time {
    int hr;
    int min;
    int sec;

    Time(){
        // initializing to zero
        hr = 0;
        min = 0;
        min = 0;
    }

    Time (int hour, int minute, int second){
        hr = hour;
        min = minute;
        sec = second;
    }

    public void display(){
        System.out.printf("%02d:%02d:%02d\n", (hr%24), (min%60), (sec%60));    }

    public void add(Time t1, Time t2){
        int totalSeconds = (t1.hr * 3600) + (t2.hr * 3600) + (t1.min * 60) + (t2.min * 60) + (t1.sec) + (t2.sec);
        this.hr = totalSeconds / 3600;
        this.min = (totalSeconds%3600) / 60;
        this.sec = (totalSeconds % 60);
    }

    public static void main(String[] args) {
        Time t1 = new Time(13, 30, 0);        
        Time t2 = new Time(05, 45, 00);

        System.out.print("Time T1 is: ");
        t1.display();
        System.out.print("Time T2 is: ");
        t2.display();

        Time sum = new Time();

        sum.add(t1, t2);
        System.out.print("The sum is: ");
        sum.display();

    }
    
}