function main(input) {
  const args = input.split(' ');
  const a = parseInt(args[0], 10);
  const b = parseInt(args[0], 10);
  
  if (a * b %2==0) {
    console.log('Even');
  } else {
    console.log('Odd');
  }
}

main(require('fs').readFileSync('/dev/stdin', 'utf8'));