open System

[<AutoOpen>]
module Cin =
    let read f = stdin.ReadLine() |> f
    let reada f = stdin.ReadLine().Split() |> Array.map f

[<EntryPoint>]
let main argv =
    let ab = reada int
    let a = ab.[0]
    let b = ab.[1]
    let f = if (a * b) % 2 = 0 then "Even" else "Odd"
    printfn "%s" f
    0
