4794: Without Text

内存限制:256 MB 时间限制:2 S
题面:传统 评测方式:文本比较 上传者:
提交:1 通过:1

题目描述

C. Without Text
time limit per test
2 seconds
memory limit per test
64 megabytes
input
standard input
output
standard output
You can preview the image in better quality by the link: http://assets.codeforces.com/files/656/without-text.png
Input
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 ".".
Output
Output the required answer.
Examples
Input
Codeforces
Output
-87
Input
APRIL.1st
Output
17

输入样例 复制


输出样例 复制