SELECT N FROM 
(SELECT S1.Name as N, P1.Salary AS S1 ,P2.Salary AS S2 
FROM Friends 
JOIN Packages AS P1 ON Friends.ID=P1.ID 
JOIN Packages AS P2 ON Friends.Friend_ID=P2.ID 
JOIN Students AS S1 ON S1.ID=Friends.ID) 
WHERE S2>S1 
ORDER BY S2 ASC;