07. House Painting

x = float(input())
y = float(input())
h = float(input())

green = 2 * x * y - 1.5 * 1.5 * 2 + x * x * 2 - 1.2 * 2
red = 2 * x * y + 2 * x * h / 2

print(f'{green / 3.4:.2f}\n{red / 4.3:.2f}')