house_painting_07_03

height = float(input())
width = float(input())
roof_height = float(input())

window_area = 1.5 * 1.5
door_area = 1.2 * 2

big_walls = height * width * 2 - 2 * window_area
small_walls = height * height * 2 - door_area

roof_rectangle = height * width * 2
roof_triangles = height * roof_height / 2 * 2

total_walls = big_walls + small_walls
total_roof = roof_rectangle + roof_triangles

paint_walls = total_walls / 3.4
paint_roof = total_roof / 4.3

print(f"{paint_walls:.2f}")
print(f"{paint_roof:.2f}")