const Main = (input) => {
	const [a, b] = input.split(' ') // スペース区切り
	const isOdd = (num) => num % 2 == 0
	if (isOdd(a) || isOdd(b)) console.log("Even")
	else console.log("Odd")
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"))

