#include <iostream>
#include <fstream>
#include <string>
#include <sstream>
using namespace std;
 
int main()
{
  int x, y, suma=0;
  string line;
  ifstream inFile("adunare.in", ios::in);
  int v[2];
  int k = 0;
  
  while (!inFile.eof()){    
    getline(inFile, line);   
    istringstream int_iss1(line); // for making the input from string to int
    if (line!=""){     
      int_iss1 >> v[k];    // puting the value in v[k]
      //cout<<v[k]<<"\n";
      k++;      
    }
  }        
    
  inFile.close();       
  ofstream outFile("adunare.out", ios::out);
  
  for (int i=0;i<k;i++){     
      suma+=v[i];
  }
  outFile << suma; 
  outFile.close();
  return 0;
}