function Main (input) {
  const a = parseInt(input.split('')[0])
  const b = parseInt(input.split('')[1])
  if ((a * b) / 2 === Math.floor((a * b) / 2)) {
    console.log('Even')
  } else {
    console.log('Odd')
  }
}
Main(require('fs').readFileSync('/dev/stdin', 'utf8'))
