"I'll just check one hint," he whispered, typing into his phone.

The next morning, the teacher, Irina Petrovna, handed out the yellowed paper slips. Maksim didn't feel the usual panic. He saw the monomials, remembered the "map" he'd studied the night before, and his pen moved with confidence. When the grades were posted on the Electronic Diary , a bright red "5" sat next to his name.

Spishu.ru had been his secret coach, but the victory—that was all his.