/*#include <fstream>
#include <iostream>
using namespace std;
ifstream f("adunare.in");
ofstream g("adunare.out");
int main()
{   long a,b,s;
    f>>a>>b;

    s=a+b;

    g<<s;
    f.close();
    g.close();
    return 0;
} */
#include <fstream>
using namespace std;
ifstream in("adunare.in");
ofstream out("adunare.out");
#include <iostream>
int main()
{
   int a,b,S;
    cout<<"a= ";
    cin>>a;
    cout<<"b= ";
    cin>>b;
    in>>a>>b;
    S=a+b;
    out<<S;
    cout<<"S= "<<S;
   return 0;
}