function Main(input) {
    input = input.split("/\s/");
    const a = parseInt(input[0], 10);
	const b = parseInt(input[1], 10);
    if (input[0] * input[1] % 2 == 0) console.log("Even");
    else console.log("Odd");
}

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