open System

let readInt () = stdin.ReadLine() |> int
let readIntArray () = stdin.ReadLine().Split(' ') |> Array.map int

let input = readIntArray ()
let a = input . [0]
let b = input . [1]

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

[<EntryPoint>]
let main argv = 
    solve()
    0
