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