#include<fstream>
using namespace std;
ifstream f("adunare.in");
ofstream g("adunare.out");
int a, b, r;
void citire(){
	f>>a;
	f>>b;
}
int calcul(){
	if(a+b<2000000000)
		r=a+b;
	g<<r;
}
int main(){
	citire();
	calcul();
	g.close();
	return 0;
}