#include <bits/stdc++.h>
#define pb(x) push_back(x)
#define pii pair <int,int>
using namespace std;

int main()
{
    int t; cin >> t;

    int T[t];

    for(int i=0;i<t;i++)cin >> T[i];

    int m; cin >> m;

    vector < pii > v;

    while(m--){
        int a,b; cin >> a >> b;
        v.pb(make_pair(a,b));
    }

    for(pii x : v){
        int i = x.first, j = x.second;

        int time = 0;

        for(int q=0;q<t;q++){
            if(q == i)time += j;
            else time += T[q];
        }

        cout << time << endl;
    }

    return 0;
}