#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
#define pb push_back
#define fi first
#define se second
#define el "\n"
#define int long long
typedef long long ll;
const ll MOD=1e9+7,INF=1e18;
const int maxn=1e5+5;
void solve(){
    int a,b; cin>>a>>b;
    cout<<a+b<<el;
}

signed main(){
    #define name "main"
    if(fopen(name".inp","r")) {
        freopen(name".inp","r" ,stdin);
        freopen(name".out","w",stdout);
    }
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t=1;
    cin>>t;
    while(t--) solve();
    return 0;
}