1995: Without Text
Time Limit: 2 Sec Memory Limit: 256 MBSubmit: 0 Solved: 0
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Description
time limit per test
2 secondsmemory limit per test
64 megabytesinput
standard inputoutput
standard output
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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