A10491 | $King Moves$

时间限制1s

内存限制256MB

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题目描述

The only king stands on the standard chess board. You are given his position in format "cd", where $c$ is the column from 'a' to 'h' and $d$ is the row from '1' to '8'. Find the number of moves permitted for the king. Check the king's moves here <a>https://en.wikipedia.org/wiki/King\_(chess)</a>. ![](/uploads/acgo/image/8f595fce64e34150_c35c79ec60f8.jpeg)King moves from the position e4

The only line contains the king's position in the format "cd", where 'c' is the column from 'a' to 'h' and 'd' is the row from '1' to '8'.

Print the only integer $x$ — the number of moves permitted for the king.

输入 #1

e4

输出 #1

C++ 编辑器

输入

输出