Весенний турнир 2004

Задача B. Mini mnist ≡

задачи
видимые пробелы
простые формулы
широкий текст
редактор

Входной файл:	Стандартный вход	Ограничение времени:	1 сек
Выходной файл:	Стандартный выход	Ограничение памяти:	512 Мб
Максимальный балл:	1

Условие

Дано чёрно-белое изображение размером 28 × 28 пикселей (символ "." обозначает белый пиксель, "#" — чёрный).

Необходимо определить, какая из трёх возможных цифр изображена — 6, 7 или 8.

Формат входных данных

Входной файл содержит 28 строк по 28 символов.

Формат выходных данных

Выходные данные должны содержать единственное число — распознанную цифру (6, 7 или 8).

Примеры тестов

№ Стандартный вход Стандартный выход

№	Стандартный вход	Стандартный выход
1	............................ ............................ ............................ ............................ ............................ ............................ ............................ .......#..........##........ .......#############........ ................####........ ......#.........###......... ......##........##.......... ......#.........##.......... ......#........##........... ...............##........... ...............##........... ...............##........... ..............##............ ..............##............ ..............##............ ..............##............ ..............##............ ..............##............ .............##............. .............##............. .............##............. .............##............. ............................	`7`
2	............................ ............................ ............................ ............................ ............................ ............................ ................######...... ............###########..... ...........########.####.... ..........#########.###..... .........##########.####.... ........########...####..... ........######....####...... .........####....####....... ..........####.####......... ..........#######........... ...........######........... ...........######........... ........####..###........... ........###...###........... .......###.....##........... ......###.....###........... ......##.....####........... ......###########........... ......#########............. ........######.............. ............................ ............................	`8`
3	............................ ............................ ......................##.... .....................##..... ...................###...... ..................###....... .................###........ ...............###.......... ..............###........... .............###............ ...........####............. ..........###............... .........###......#####..... .......###.....########..... .......##.....###....##..... ......##....###.....##...... .....##....##......###...... .....#....##.....###........ .....#....#....####......... .....############........... ......########.............. .........####............... ............................ ............................ ............................ ............................ ............................ ............................	`6`

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