import Control.Monad (replicateM, mapM_)
f x = (abs x) ** 0.5 + 5 * x ** 3
main = do
putStrLn "Enter 11 numbers for evaluation"
x <- replicateM 11 $ readLn
mapM_ ((\x -> if x > 400
then putStrLn "OVERFLOW"
else print x). f) $ reverse x