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#!/usr/bin/env python
# Berechnet die Quersummer eines Strings, der per STDIN gelesen wird.
# echo "Das ist ein String" | ./query.py

import fileinput
import sys

quer = 0
args = sys.argv

if len(args) == 0:
	inputs = sys.argv
else:
	inputs = fileinput.input()

#for line in fileinput.input():
for line in inputs:
	l = list(line)
	for char in l:
		quer = quer+ord(char)
print quer