#include <iostream>
using namespace std;
int main ()
{
int a,b;
while (cin>> a >> b )
cout<<a+b;
return 0;
}
#include
using namespace std;
int main ()
{
int a,b;
while (cin>> a >> b )
cout<<a+b;
return 0;
}
學弟(妹),答案請別標示"解題報告",有損校風,感謝