Background

Description

Given a string, return the sum of the digits 0-9 that appear in the string, ignoring all other characters. Return 0 if there are no digits in the string. (Note: Character.isDigit(char) tests if a char is one of the chars '0', '1', .. '9'. Integer.parseInt(string) converts a string to an int.)

Format

Input

Output

Samples

aa1bc2d3

6

aa11b33

8

Chocolate

0

Limitation

1s, 1024KiB for each test case.