import System Environment even xs xs even odd xs xs odd main do print

import System.Environment

even' xs = [x | x <- xs, even x]
odd' xs = [x | x <- xs, odd x]

main = do
	print (even' [6, 2, 9, 3, 1, 4, 5, 1, 1]) 
	print (odd' [6, 2, 9, 3, 1, 4, 5, 1, 1])