#include <bits/stdc++.h>
using namespace std;
int n, m;
long long a[100001];
int main() {
  scanf("%d", &n);
  for (int i = 1; i <= n; i++) scanf("%I64d", &a[i]);
  scanf("%d", &m);
  int Left = 1;
  for (; m--;) {
    int x, y;
    scanf("%d%d", &x, &y);
    while (Left < x) {
      a[Left + 1] = max(a[Left + 1], a[Left]);
      ++Left;
    }
    printf("%I64d\n", a[Left]);
    a[Left] += y;
  }
}
