We (DSAP) want to send you a very interesting problem and
want to add to your problem set, so where should we send
to ? What is the condition for a problem to be added to
problem set ?
Thanks.
71222119
mailto : trungduck@yahoo.com

Let's talk via email
please use mb@timus.ru

I'll try (at home) to find the document describing the
specifications of tests and checkers.
And you'll send your problem  in the format.

PLease, mail me , or I'm afraid I'll forget about it :)