2. Spaceship

import math
width = float(input())
length = float(input())
heigth = float(input())
astHeigth = float(input())

volume = width * length * heigth
volumeRoom = (astHeigth + 0.40) * 2 * 2
countAstr = (int) (math.floor(volume / volumeRoom))

if countAstr >= 3 and countAstr <= 10:
    print("The spacecraft holds %d astronauts." % countAstr)
elif countAstr < 3:
    print("The spacecraft is too small.")
elif countAstr>10:
    print("The spacecraft is too big.")