"use strict";
const main = arg => {
  const input = arg.trim();

  const a = parseInt(input.split(" ")[0]);
  const b = parseInt(input.split(" ")[1]);
 
  (a % 2 !== 0 || b !== 0) ? console.log('Odd') : console.log('Even');
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));

