#include <algorithm>
#include <iostream>
#include <iterator>
#include <sstream>
#include <string>

int main() {
    for (std::string line; std::getline(std::cin, line);) {
        auto pos = line.find(' ', line.find('"'));
        std::istringstream iss{line.substr(pos)};
        auto sum = std::accumulate(std::istream_iterator<int>{iss}, std::istream_iterator<int>{}, 0);
        std::cout << sum << std::endl;
    }
}