import Foundation
 
struct StdIn {
    static var data: NSData {
         return NSFileHandle.fileHandleWithStandardInput().readDataToEndOfFile()
    }
    static var string: String {
        return  String(data:data, encoding:NSUTF8StringEncoding) ?? ""
    }
    static var lines: [String] {
        return string.componentsSeparatedByString("\n")
    }
}
 
extension String {
   func tokens(delimter: String = " ") -> [String] {
       return self.componentsSeparatedByString(delimter)
   }
}

func hoge() {
  let nums = StdIn.string.tokens().flatMap { Int($0) }
  if nums.count != 2 { fatalError(); return }
  
  let x = nums[0]
  let y = nums[1]
  switch x * y {
  case let z where z % 2 == 0: print("Even")
  default: print("Odd")
  }
}

hoge()