I'm getting this error while executing the Haskell program

Question:Define a new Rating type with the constructors One, Two, .. Five. It should

derive Ord, Eq and Enum behaviors

Make the new type an instance of Show, giving the displays as the appropriate number

of stars (i.e., "*", "**" and so on) My program: import System.IO

import Data.List

main = do --Main function

data Rating = One | Two | Three | Four | Five deriving (Eq, Ord, Show, Enum) {-Created a new Rating datatype with constructors One,Two..Five deriving Ord,Eq,Enum behaviours

instance Show Rating where --Creating New instance of show show One ""
show Two "" show Three "" show Four "****" show Five "*****" Error: Error parse error on input data