function main(input) {
    const args = input.split(' ');
  	const a = parseInt(args[0], 10),
          b = parseInt(args[1], 10);
  if((a*b)%2==1){
  	console.log("Odd")  
  }else{
    console.log("Even")
  }
}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));