import math

pi = 3.14
r = float(input("请输入半径："))
h = float(input("请输入高："))


def area(n, m):
    s1 = pi * n ** 2
    s2 = math.sqrt(n ** 2 + m ** 2) * n * pi
    s = s1 + s2
    return s


def volume(n, m):
    s1 = pi * n ** 2
    v = s1 * m * 1 / 3
    return v


print(r, ",", h)
print(area(r, h))
print(volume(r, h))