moving

width = int(input())
length = int(input())
height = int(input())
total_boxes = 0
total_space = width * length * height
initial_space = total_space
is_there_more_space = True
command = input()
while command != 'Done':
    number_of_boxes = int(command)
    total_boxes += number_of_boxes
    total_space -= number_of_boxes
    if total_space <= 0:
        is_there_more_space = False
        break
    command = input()
if is_there_more_space:
    left_space = initial_space - total_boxes
    print(f"{left_space} Cubic meters left.")
else:
    needed_space = total_boxes - initial_space
    print(f"No more free space! You need {needed_space} Cubic meters more.")