#include<fstream>

using namespace std;

int main()
{
	ifstream in("adunare.in");
	ofstream out("adunare.out");
	int a, b;
	in>>a>>b;
	if ((a+b)<2000000000)
		out<<a+b;
	else
		out<<"suma numerelor se opune restrictiei:a+b<2000000000";
	out<<"\n";
	in.close();
	out.close();
	return 0;
}