<gh_stars>0
raio = float(input())
volume = (4.0/3.0) * 3.14159 * raio**3.0
print('VOLUME = {:.3f}'.format(volume))
raio = float(input())
volume = (4.0/3.0) * 3.14159 * raio**3.0
print('VOLUME = {:.3f}'.format(volume))