// JavaScript source code
"use strict";

let myFunc = (input) => {
    input = input.split(" ");
    let a, b;
    a = parseInt(input[0]);
    b = parseInt(input[1]);
    if((a * b) % 2 === 1) console.log("Odd");
    if((a * b) % 2 === 0) console.log("Even");
};

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