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'));