#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;
}
}
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