package main

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

func main() {
	strs := readStdin()

	fmt.Println(strs)

	if len(strs) != 2 {
		fmt.Fprintf(os.Stderr, "Wrong number of arguments.")
		os.Exit(1)
	}

	a, _ := strconv.Atoi(strs[0])
	b, _ := strconv.Atoi(strs[1])

	if a&b&1 == 1 {
		fmt.Printf("Odd")
	} else {
		fmt.Printf("Even")
	}
}

func readStdin() []string {
	return os.Args[1:]
}
