User login [Discover Izhevsk 2020. Day 7. Almost Algorithmic Contest. STP Systems Cup.]

This is ejudge contest administration system, version 2.3.27 #315, compiled Tue May 11 14:21:21 2021.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.