strip :: [a] -> a
strip [x] = x

main = do
    ns <- fmap (fmap (read :: String -> Int) . words) . lines <$> getContents
    let a = strip $ head ns
    let b = strip $ last ns
    let p = a * b
    if odd p then
      putStrLn "Odd"
    else
      putStrLn "Even"