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