House Painting

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

forGreen = 2*(x*x)+2*(x*y)-4.50-2.40
litersgreen = forGreen / 3.4

forRed = 2*(x*y) + 2*((x*h)/2)
litersRed = forRed / 4.3

print(f"{litersgreen:.2f}")
print(f"{litersRed:.2f}")