#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  int arr[n];
  for (int i = 0; i < n; i++) {
    cin >> arr[i];
  }
  int q;
  cin >> q;
  while (q--) {
    int a, b;
    long long sum = 0;
    cin >> a >> b;
    replace(arr, arr + n, a, b);
    for (int i = 0; i < n; ++i) {
      sum += arr[i];
    }
    cout << sum << endl;
  }
}
