var Main = function (input) {
	const [a, b] = input.split(' ') // スペース区切り
	const isOdd = function(num) { return num % 2 == 0 }
	if (isOdd(a) || isOdd(b)) console.log("Even")
	else console.log("Odd")
}
Main(require("fs").readFileSync("/dev/stdin", "utf8"))

