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x = float(input())
y = float(input())
h = float(input())
green_paint_cover = 3.4
red_paint_cover = 4.3
area_door = 1.2 * 2
windows_area = 1.5 * 1.5
green_paint = (2 * (x * y) + 2 * (x * x) - area_door - windows_area * 2) / green_paint_cover

roof_triangle_area = 2 * ((x * h) / 2)
roof_area = (x * y) * 2
red_paint = (roof_area + roof_triangle_area) / red_paint_cover
print(f'{green_paint:.2f}')
print(f'{red_paint:.2f}')