#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib> 	

using namespace std;

int main()
{
	string line;
	ifstream file;
	ofstream output;
	file.open("adunare.in");
	int sum = 0;
	while (getline(file,line))
	{
		sum += atoi(line.c_str());
	}	
	file.close();
	output.open("adunare.out");
	output << sum;
	output.close();
}