-- From https://wiki.haskell.org/How_to_write_a_Haskell_program

--
-- Copyright (c) 2006 Don Stewart - http://www.cse.unsw.edu.au/~dons/
-- GPL version 2 or later (see http://www.gnu.org/copyleft/gpl.html)
--

-- in hugs89, run with :l "Haq.hs" then :main me

import System.Environment -- for getArgs 
 
-- | 'main' runs the main program
-- | main :: IO ()
main = getArgs >>= print . haqify . head
 
haqify s = "Haq! " ++ s