#include<iostream>
using namespace std;
int main(){
while(cin>>n>>m){//多筆測資
cout<<n+m<<endl;
}
}
#include
using namespace std;
int main(){
int n,m;
while(cin>>n>>m){//多筆測資
cout<
}
}
#include<iostream>
using namespace std;
int main(){
int n,m;
while(cin>>n>>m){//多筆測資
cout<<n+m<<endl;
}
}