import Foundation

func readString() -> String {
  return readLine()!
}
func readTokens() -> [String] {
  return readString().componentsSeparatedByString(" ")
}
func readIntArray() -> [Int] {
  return readTokens().map { Int($0)! }
}
func readInt() -> Int {
  return Int(readString())!
}
func readInt(n: Int) -> [Int] {
  return (0..<n).flatMap { _ in Int(readString())! }
}

func printWitch<T>(b: Bool, l: T, r: T) {
  print(b ? l : r)
}

///
printWitch(readIntArray().reduce(1, combine: *) % 2 == 0,
           l: "Even",
           r: "Odd")