Pupil

Big_Dankakon

Даниил Конов, Nizhny Novgorod, Russia
From Doskino
3291 problems
solved for all time
1381 problems
solved for the last year
47 problems
solved for the last month
35 days
in a row max.
8 days
in a row for the last year
2 days
in a row for the last month