package main

import (
	"fmt"
	"os"
	"strconv"
)

func main() {
	num1, err := strconv.Atoi(os.Args[0])
	if err != nil {
		panic(err)
	}
	num2, err := strconv.Atoi(os.Args[1])
	if err != nil {
		panic(err)
	}
	if ((num1 % 2) * (num2 % 2)) == 1 {
		fmt.Println("Odd")
	} else {
		fmt.Println("Even")
	}
}
