time_pictures = int(input())
scenes_number = int(input())
scene_period = int(input())

preparation = time_pictures * 0.15
time_per_scene = scenes_number * scene_period
time_needed = preparation + time_per_scene

left = abs(time_pictures - time_needed)

if time_needed <= time_pictures:
    print(f'You managed to finish the movie on time! You have {left:.0f} minutes left!')
else:
    print(f'Time is up! To complete the movie you need {left:.0f} minutes.')