const main = () => {
  const ab = getParams()
      , a = ab[0]
      , b = ab[1];
  console.log(solve(a, b));
};

const getParams = () =>
  getStdin().split(' ').map(Number);

const getStdin = () =>
  require('fs').readFileSync('/dev/stdin', 'utf8');

const solve = (a, b) =>
  a * b % 2 === 1 ? 'Odd' : 'Even';

main();
