#include <iostream>
#include <fstream>
#include "vector"
using namespace std;

int main() {
    std::vector<int> numbers;
    int number;
    std::ifstream input("./adunare.in");

    if(input.is_open()) {
        while (input >> number) {
            numbers.push_back(number);
        }
        input.close();
    } else {
        cout << "Unable to open the file";
    }

    int counter = 0;

    for ( int i: numbers) {
        counter = counter + i;
    }

    std::ofstream output("./adunare.out");

    if (output.is_open()) {
      output << counter;
      output.close();
    }

    return 0;
}