#include <iostream>
#include <fstream>
#include <string>
#include <stdlib.h> 

using namespace std;


int main()
{

	string line;
	int value = 0;

	ifstream in_file;
	ofstream out_file;

	in_file.open("adunare.in");

	while(getline(in_file, line))
		value += atoi(line.c_str());

	in_file.close();

	out_file.open("adunare.out");
	out_file << value;
	out_file.close();

	return 0;
}