#include<iostream>
#include<string>
using namespace std;
int main(){
int a, b;
int cases;
cin>>cases;
for(int i = 0; i < cases; i++){
cin>>a>>b;
cout<<a + b<<endl;
}
}
#include<iostream>
#include<string>
using namespace std;
int main(){
int a, b;
int cases;
cin>>cases;
for(int i = 0; i < cases; i++){
cin>>a>>b;
cout<<a + b<<endl;
}
}