package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
	"strings"
)

var sc = bufio.NewScanner(os.Stdin)

func main() {
	sc.Scan()
	ns := strings.Split(sc.Text(), " ")
	n, e := strconv.Atoi(ns[0])
	n2, e2 := strconv.Atoi(ns[1])
	if e != nil || e2 != nil {
		return
	}
	if n*n2%2 == 0 {
		fmt.Println("even")
	} else {
		fmt.Println("odd")
	}
}
