08. Moving

w = int(input())
l = int(input())
h = int(input())

all_space = w * l * h

while all_space > 0:
    boxes = input()

    if boxes == "Done":
        print(f"{all_space} Cubic meters left.")
        break

    all_space -= int(boxes)

if not boxes == "Done":
    print(f"No more free space! You need {abs(all_space)} Cubic meters more.")