fun main(args: Array<String>) {
    abc086(args)
    //tutorial(args)
}

fun abc086(args: Array<String>) {
    val (a, b) = readLine()!!.split(" ").map(String::toInt)

    if ((a * b) % 2 == 0) {
        println("even")
    } else {
        println("odd")
    }
}
