CF656C.Without Text
普及/提高-
通过率：0%
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题目描述
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输入格式
The only line of the input is a string (between 1 and 50 characters long, inclusive). Each character will be an alphanumeric character or a full stop ".".
输出格式
Output the required answer.
输入输出样例
输入#1
Codeforces
输出#1
-87
输入#2
APRIL.1st
输出#2
17