{-# LANGUAGE ParallelListComp #-}
addTwo :: Num a => a -> a
addTwo x = x + 2

threeParam :: Num a => a -> a -> a -> a
threeParam x y z = let w = x+y in w*z

myFirst :: (a,b) -> a
myFirst t = let (x,y)=t in x

okko :: [Int] -> [[Char]]
okko xs = [if x<10 then "OK" else "KO" | x <- xs]

addList :: [Int] -> [Int] -> [Int]
addList xs ys = [x+y | x <- xs, y <- ys]


length2 :: [a] -> Int
length2 xs = last [n | _ <- xs | n <- [2,4..]]