
open Scanf
open Printf

let flip f x y = f y x

let rec range a b = if a >= b then [] else a :: range (a+1) b

let read_int () = scanf " %d" (fun x -> x)
let rec read_ints n = if n = 0 then [] else let i = read_int () in i :: read_ints (n-1)

let () =
  let a = read_int () in let b = read_int () in
  printf "%s\n" (if (a * b) mod 2 = 0 then "Even" else "Odd")
