#include
<
iostream
>
using namespace std;
int main(){
int x,y;
while (cin >> x >> y){
cout << x + y << endl;
}
}
using namespace std;
int main(){
int x,y;
while (cin >> x >> y){
cout << x + y << endl;
}
}
http://acm.hrbeu.edu.cn/index.php?act=prolist&volid=1
1001 Calculate a + b
