package main

import (
	"bufio"
	"fmt"
	"os"
)

func main() {
	in := bufio.NewReader(os.Stdin)
	var A, B int
	anc := "Odd"

	fmt.Fscan(in, &A, &B)
	if A%2 == 0 || B%2 == 0 {
		anc = "Even"
	}

	fmt.Println(anc)
}