open System

[<EntryPoint>]
let main argv =
    let input = stdin.ReadLine().Split(' ') |> Array.map int 
    let f a b = if a % 2 = 0 || b % 2 =0 then "Even" else "Odd"
    printfn "%s" (f input.[0] input.[1])
    0 // return an integer exit code
