from cmath import *
D = []
V = []
i = complex(0.0, 1.0)

for ball_data in eval(input()):
    diameter, mass = ball_data
    D.append(complex(diameter))
    V.append(complex(mass / 1000))

for ind in range(len(D)):
        #v_ball = pi * D[ind] ** 3 / 6
        D = D[ind]
        V = V[ind]
        h = (D / 2) - ((1.0 - i * sqrt(3.0)) * pow(D, 2.0) * pow(pi, 1.0 / 3.0)) / (4.0 * pow(
            pow(D, 3.0) * pi - 12.0 * V + 2.0 * sqrt(6.0) * sqrt(-(pow(D, 3.0) * pi * V) + 6.0 * pow(V, 2.0)),
            1.0 / 3.0)) - ((1.0 + i * sqrt(3.0)) * pow(
            pow(D, 3.0) * pi - 12.0 * V + 2.0 * sqrt(6.0) * sqrt(-(pow(D, 3.0) * pi * V) + 6.0 * pow(V, 2.0)),
            1.0 / 3.0)) / (4.0 * pow(pi, 1.0 / 3.0))


print((h.real * 1000) / 1000)
print((h.imag * 1000) / 1000)
print(i)
print(pi)