#include <bits/stdc++.h>
using namespace std;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin >> n;
  vector<long long> a(n + 1);
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
  }
  int m;
  cin >> m;
  long long ans = 0;
  long long wt = 0, ht = 0;
  while (m--) {
    long long w, h;
    cin >> w >> h;
    ans = max(ans + ht, a[w]);
    wt = w;
    ht = h;
    cout << ans << endl;
  }
  return 0;
}
