open System

[<EntryPoint>]
let main argv = 

    let a, b =
        let line = System.Console.ReadLine()
        let words = line.Split [|' '|]
                    |> Array.map int
        words.[0], words.[1]

    printfn "%s" <| if (a*b) % 2 = 0 then "Even" else "Odd"

    0
