{-# LANGUAGE OverloadedStrings #-}
import qualified Data.ByteString.Char8 as B

main = do
  (a:b:_) <- readInts
  B.putStr $ solve a b

readInts = map (fst . B.readInt) . B.words <$> B.getLine

solve a b
  | odd (a * b) = "Odd"
  | otherwise = "Even"
