open System

module Procedure =
    let procedure a b =
        let producted = a * b
        if producted % 2 = 0 then "Even" else "Odd"

[<EntryPoint>]
let main _argv =
    let inputNumbers = stdin.ReadLine().Split(' ') |> Array.map int |> Array.toList
    let a = inputNumbers.[0]
    let b = inputNumbers.[1]
        
    Procedure.procedure a b |> printfn "%s"
    0
 