sumOfSquare :: Int -> Int -> Int
sumOfSquare a b = a * a + b * b

hipotenuse :: Int -> Int -> Int
hipotenuse a b = truncate(sqrt(x))
           where x = fromIntegral(sumOfSquare a b)

squareCheck :: Int -> Bool
squareCheck n = truncate(sqrt(x)) * truncate(sqrt(x)) == n
         where x = fromIntegral n

isItSquare :: Int -> Int -> Bool
isItSquare a b = squareCheck (sumOfSquare a b)

data SidesType = Sides Int Int Int deriving (Show)

calc :: Int -> [SidesType]
calc a = [(Sides x y (hipotenuse x y)) | x <- [1..a], y <-[1..a], (isItSquare x y)]

test :: Int -> SidesType
test a = (Sides 1 2 3)