Congratulation to all on the day of student, calm sessions, easy exams and a lot of new knowledge! I also want to congratulate those girls (women) whose name is Tatiana on their Angel Day.
I am glad to invite you to participate in Codeforces Beta Round 53. Today's round was prepared Michael Mirzayanov, Nevidomy Vitaliy, Artem Rakhov and Maria Belov, problems author is nevidomy.
Contest is over.
Congratulations to the winner: tourist. After the round he becomes first "General" of Codeforces!!! Link to results: http://codeforces.com/contest/57/standings
Nevidomy Vitaliy and Codeforces team.