Разбор задачи "Дело о нулях и единицах"
Условие задачи https://codeforces.com/contest/556/problem/A Тема "Цикл while" http://egoroffartem.pythonanywhere.com/course/python/tsikl-while
Условие задачи https://codeforces.com/contest/556/problem/A Тема "Цикл while" http://egoroffartem.pythonanywhere.com/course/python/tsikl-while