@EventHandler
public void onKangaroo(EntityDamageEvent) {
	if(e.getEntity() instanceof Player) {
		Player p = e.getPlayer();
		if(Plugin.Kangaroo.contains(p.getName()) {
			if(e.getCause().equals(DamageCause.FALL)) {
				e.setCancelled(true);
			}
		}
	}
}