Space Ship

import math

rocket_wight = float(input())
rocket_lenght = float(input())
rocket_height = float(input())
avarage_austro_height = float(input())


rocket_area = rocket_height * rocket_lenght * rocket_wight
room_area = (avarage_austro_height + 0.40) * 2 * 2
max_austronauts = math.floor(rocket_area / room_area)

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