cte AS (SELECT a.id id, a.friend_id fid, b.name name, c.salary sly FROM Friends a
        INNER JOIN Students b ON a.friend_id = b.id
        INNER JOIN Packages c ON a.friend_id = c.id)
SELECT a.name FROM Students a
INNER JOIN cte b ON a.id = b.id
INNER JOIN Packages c ON a.id = c.id
WHERE c.salary < b.sly
ORDER BY b.sly;