with a as (select f.ID ID,f.Friend_ID F_ID,p1.salary as id_salary,p2.salary as friend_salary
from friends f
join packages p1 on f.ID=p1.ID
join packages p2 on f.Friend_ID = p2.ID)
select b.Name 
from Students b
join a on a.ID=b.ID
where a.friend_salary>a.id_salary
order by a.friend_salary;