User login [XVIII Open Cup named after E.V. Pankratiev. GP of Urals.]

This is ejudge contest administration system, version 2.3.27 #245, compiled Sun Feb 23 04:22:43 2020.

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.