#line 1 "template/template.hpp"
#include<bits/stdc++.h>

using namespace std;

using int64 = long long;
const int mod = 1e9 + 7;

const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;

struct IoSetup {
  IoSetup() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << fixed << setprecision(10);
    cerr << fixed << setprecision(10);
  }
} iosetup;

template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 >& p) {
  os << p.first << " " << p.second;
  return os;
}

template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
  is >> p.first >> p.second;
  return is;
}

template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
  for(int i = 0; i < (int) v.size(); i++) {
    os << v[i] << (i + 1 != v.size() ? " " : "");
  }
  return os;
}

template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
  for(T &in : v) is >> in;
  return is;
}

template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }

template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

template< typename T = int64 >
vector< T > make_v(size_t a) {
  return vector< T >(a);
}

template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
  return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}

template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
  t = v;
}

template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
  for(auto &e : t) fill_v(e, v);
}

template< typename F >
struct FixPoint : F {
  explicit FixPoint(F &&f) : F(forward< F >(f)) {}

  template< typename... Args >
  decltype(auto) operator()(Args &&... args) const {
    return F::operator()(*this, forward< Args >(args)...);
  }
};

template< typename F >
inline decltype(auto) MFP(F &&f) {
  return FixPoint< F >{forward< F >(f)};
}

#line 2 "structure/union-find/union-find.hpp"

struct UnionFind {
  vector< int > data;

  UnionFind() = default;

  explicit UnionFind(size_t sz) : data(sz, -1) {}

  bool unite(int x, int y) {
    x = find(x), y = find(y);
    if(x == y) return false;
    if(data[x] > data[y]) swap(x, y);
    data[x] += data[y];
    data[y] = x;
    return true;
  }

  int find(int k) {
    if(data[k] < 0) return (k);
    return data[k] = find(data[k]);
  }

  int size(int k) {
    return -data[find(k)];
  }

  bool same(int x, int y) {
    return find(x) == find(y);
  }

  vector< vector< int > > groups() {
    int n = (int) data.size();
    vector< vector< int > > ret(n);
    for(int i = 0; i < n; i++) {
      ret[find(i)].emplace_back(i);
    }
    ret.erase(remove_if(begin(ret), end(ret), [&](const vector< int > &v) {
      return v.empty();
    }), end(ret));
    return ret;
  }
};

int main() {
  int N;
  cin >> N;
  vector< int64 > A(N);
  cin >> A;
  int T;
  cin >> T;
  vector< int > O(T), X(T), K(T);
  vector< int > deg(N);
  for (int i = 0; i < T; i++) {
    cin >> O[i] >> X[i] >> K[i];
    --X[i];
    if (O[i] == 1) {
      --K[i];
      deg[X[i]]++;
      deg[K[i]]++;
    }
  }
  int Q;
  cin >> Q;
  vector< vector< pair< int, int > > > qs(T + 1);
  for (int i = 0; i < Q; i++) {
    int s, t;
    cin >> s >> t;
    --t;
    qs[s].emplace_back(t, i);
  }
  vector< int64 > ans(Q);
  UnionFind uf(N);
  vector< vector< int > > vs(N);
  vector< int64 > sub(N);
  vector< vector< pair< int, int > > > g(N);
  vector< vector< pair< int, int64 > > > lazy(N);
  for (int i = 0; i < N; i++) {
    vs[i] = {i};
    lazy[i] = {{-1, 0ll}};
  }
  for(int i = 0; i <= T; i++) {
    for(auto& [k, id] : qs[i]) {
      int64 now = A[k];
      now -= sub[uf.find(k)];
      for(auto& [p, t] : g[k]) {
        auto pos = lower_bound(lazy[p].begin(), lazy[p].end(), make_pair(t, 0ll)) - lazy[p].begin();
        now -= lazy[p].back().second - lazy[pos].back().second;
      }
      chmax(now, 0ll);
      ans[id] = now;
    }
    if(i < T) {
      if(O[i] == 1) {
        int x = uf.find(X[i]);
        int y = uf.find(K[i]);
        if(x == y) continue;
        uf.unite(x, y);
        int New = uf.find(x);
        int Old = x ^ y ^ New;
        for(auto& v: vs[Old]) {
          A[v] -= sub[Old];
          A[v] += sub[New];
          vs[New].emplace_back(v);
        }
        vs[Old].clear();
        if(make_pair(deg[X[i]], X[i]) < make_pair(deg[K[i]], K[i])) {
          g[X[i]].emplace_back(K[i], i);
        } else {
          g[K[i]].emplace_back(X[i], i);
        }
      } else if(O[i] == 2) {
        A[X[i]] -= K[i];
      } else if(O[i] == 3) {
        A[X[i]] -= K[i];
        for(auto& [p,_] : g[X[i]]) A[p] -= K[i];
        auto sum = lazy[X[i]].empty() ? 0 : lazy[X[i]].back().second;
        lazy[X[i]].emplace_back(i, sum + K[i]);
      } else {
        sub[uf.find(X[i])] += K[i];
      }
    }
  }
  for(auto& p : ans) cout << p << "\n";
}