/**
 * @see https://practice.contest.atcoder.jp/tasks/practice_1
 * @param  {string} input
 * @returns {string}
 */
const main = function(input) {
    const values = input.split(" ");
    const ab = parseInt(values[0]) * parseInt(values[1]);
    return (ab % 2) === 0 ? "Even" : "Odd";
};

const output = main(require("fs").readFileSync("/dev/stdin", "utf8"));
console.log(output); // console.log outputs with trailing new line!
