class Time:
	time = Time()
	time.hour = 11
	time.minute =59
	time.second = 30

def add_time(t1,t2):
	sum = Time()
	sum.hour = t1.hour + t2.hour
	sum.minute = t1.minute + t2.minute
	sum.second = t1.second + t2.second
	return sum

start = Time()
start.hour = 9
start.minute = 45
start.second = 0

duration = Time()
duration.hour = 1
duration.minute = 35
duration.second = 0

done = add_time(start, duration)
print_time(done) 
