FFfilipp fedorov@filipp_s_fedoro1filippRussiaFollowAboutEducationМАОУ Вторая ГимназияBadgesProblem SolvingDays of CodeEducationМАОУ Вторая ГимназияRatingsSubmissionsUser has not solved any challenges yet.Contest HistoryUser has not participated in any contests yet.DiscussionsUser doesn't have any discussions yet.