#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