import math
from decimal import Decimal
def ellipse_area(a, b):
return Decimal(math.pi) * a * b;
def ellipse_volume(a, b, h):
return ellipse_area(a, b) * h;
a = Decimal(input('a: '))
b = Decimal(input('b: '))
h = Decimal(input('h: '))
p = 10
s = round(float(ellipse_area(a, b)), p)
v = round(float(ellipse_volume(a, b, h)), p)
print('S =', s)
print('V =', v)