#include <iostream>
using namespace std;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin >> t;
while (t--) {
int a, b;
cin >> a >> b;
cout << a + b << "\n";
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CiAgICBpb3M6OnN5bmNfd2l0aF9zdGRpbyhmYWxzZSk7CiAgICBjaW4udGllKG51bGxwdHIpOwoKICAgIGludCB0OwogICAgY2luID4+IHQ7CiAgICB3aGlsZSAodC0tKSB7CiAgICAgICAgaW50IGEsIGI7CiAgICAgICAgY2luID4+IGEgPj4gYjsKICAgICAgICBjb3V0IDw8IGEgKyBiIDw8ICJcbiI7CiAgICB9CglyZXR1cm4gMDsKfQ==