What band do you think is better Iron Maiden or Avenged sevenfold?

omg avenged sevenfold are a rubbish band that emos love to wallow in their misery to, iron maidon were/are one of the best heavy metal bands and are still touring today after nearly 40 yrs, i bet AS will be forgotten in like 5 years, what a complete dumb... but i suppose thats his opinion