02. Spaceship

import math

width = float(input())
length = float(input())
height = float(input())
average_height_astronauts = float(input())

rocket = width * length * height
rooms = (average_height_astronauts + 0.4) * 2 * 2
available_rooms = math.floor(rocket / rooms)

if available_rooms > 10:
    print("The spacecraft is too big.")
elif 3 <= available_rooms <= 10:
    print(f"The spacecraft holds {available_rooms} astronauts.")
else:
    print("The spacecraft is too small.")