IN/NOT IN operators

Hello,
I want to ask you if there are the way to do:
select * from aa where (bb, ff) IN ((2,3),(4,5));
ERROR:  parser: parse error at or near "2"    :((

I see that it works with subselect:
select * from aa where (bb, ff) IN (select (bb,ff) from zz);


Thank you,
---------------------------
Sergei Chernev
Internet: ser@nsu.ru
Phone: +7-3832-397354