#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using ll = long long;

using S = pair<ll, int>;
using F = ll;
S e(){return make_pair(0, 0);}
S op(S l,S r){return make_pair(l.first + r.first, l.second + r.second);}
S mapping(F f, S x){return make_pair(x.first + x.second * f, x.second);}
F composition(F f, F g){return f + g;}
F id(){return 0;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n, u, v, w, Q;
    cin >> n;
    vector<vector<pair<int, int>>> g(n);
    for(int i = 1; i < n; i++){
        cin >> u >> v >> w;
        g[u].emplace_back(v, w);
        g[v].emplace_back(u, w);
    }
    int timer = 0;
    vector<int> depth(n), ent(n), ext(n), weight(n);
    vector<pair<ll,int>> tmp(2 * n);
    function<void(int, int)> dfs = [&](int v, int p){
        tmp[timer] = make_pair(weight[v], 1);
        ent[v] = timer++;
        for(auto &&pa : g[v]){
            tie(u, w) = pa;
            if(u == p) continue;
            depth[u] = depth[v] + 1;
            weight[u] = w;
            dfs(u, v);
        }
        tmp[timer] = make_pair(-weight[v], -1);
        ext[v] = timer++;
    };
    dfs(0, -1);
    atcoder::lazy_segtree<S, op, e, F, mapping, composition, id> seg(tmp);
    cin >> Q;
    while(Q--){
        int cmd, v, x;
        cin >> cmd >> v;
        if(cmd == 1){
            cin >> x;
            seg.apply(ent[v] + 1, ext[v], x);
        }else{
            cout << seg.prod(0, ent[v] + 1).first << '\n';
        }
    }
}