UPDATE p1 p2 file1
ADD p1 premium
ADD p2 premium
UPLOAD p1 file1 1000
UPLOAD p1 file2 1000
LASTUPDATE p3 file1
LASTUPDATE p2 file4
UPDATE p1 p3 file1
SHARE p1 p2 file1
UPDATE p2 p2 file1
ADD b1 basic
LASTUPDATE b1 file2
SHARE p1 b1 file3
UPDATE b1 b1 file3
UPDATE p1 b1 file2
EXIT

