const main = (val) => {
  const aray = val.split(" ");
  console.log(calc(parseInt(aray[0]), parseInt(aray[1])));
}
const calc = (a, b) => {
  if (is_even(a)|| is_even(b)) {
    return "Even";
  } else {
    return "Odd";
  }
}
const is_even = (val) => {
  if ((a % 2) === 0) {
    return true;
  } else {
    return false;
  }
}
main(require("fs").readFileSync("/dev/stdin", "utf8"));