#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define trav(a, x) for(auto& a : x)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define subnb true
#define Lnb true
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;

template<class T>
using Tree = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
const int INF = (int)1e9;
const int N = (int)1e5 + 50, LOGN = 18;
//const int N = (int)1e3, LOGN = 18;
struct edge {
    int to, cost;
};


int n, q;
vector<edge> g[N];

struct LCA {
    int parent[LOGN][N];
    int depth[N];
    ll dr[N];

    void dfs(int v, int p, int d, ll d1) {
        parent[0][v] = p;
        depth[v] = d;
        dr[v] = d1;
        for (auto e : g[v]) {
            int nxt = e.to, cost = e.cost;
            if(nxt != p) dfs(nxt, v, d + 1,d1 + e.cost);
        }
    }

    void init() {
        dfs(0, -1, 0, 0);
        rep(k, 0, LOGN - 1) {
            rep(v, 0, n) parent[k + 1][v] =
                    parent[k][v] < 0 ? -1 : parent[k][parent[k][v]];
        }
    }

    int lca(int u, int v) {
        if(depth[u] > depth[v]) swap(u, v);
        rep(k, 0, LOGN) {
            if((depth[v] - depth[u]) >> k & 1) v = parent[k][v];
        }
        if(u == v) return u;
        for (int k = LOGN - 1; k >= 0; k--) {
            if(parent[k][u] != parent[k][v]) {
                u = parent[k][u];
                v = parent[k][v];
            }
        }
        return parent[0][u];
    }

    ll min_dis(int u, int v) {
        int ca = lca(u, v);
        return dr[u] + dr[v] - 2 * dr[ca];
    }
} lca;


set<int> G[N];
int sub[N], par[N];
ll d1par[N], d0par[N];
Tree<pll> Sp[N], Sc[N];
int rt = -1;
pii es[N];

int dfs1(int v, int p) {
    sub[v] = 1;
    for (int nxt : G[v])
        if(nxt != p) sub[v] += dfs1(nxt,  v);
    return sub[v];
}

int dfs2(int v, int p, int nn) {
    for (int nxt : G[v]) {
        if(nxt != p && sub[nxt] > nn / 2) return dfs2(nxt, v, nn);
    }
    return v;
}

void decompose(int v, int p) {
    dfs1(v, -1);
    int centroid = dfs2(v, -1, sub[v]);
    if(p == -1) rt = centroid;
    par[centroid] = p;
    d1par[centroid] = lca.min_dis(centroid, p);
    if(p != -1) d0par[centroid] = d0par[p] + 1;
    for (int nxt : G[centroid]) {
        G[nxt].erase(centroid);
        decompose(nxt, centroid);
    }
    G[centroid].clear();
}



int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n;
    rep(i, 0, n - 1) {
        int u, v, w; cin >> u >> v >> w; u--, v--;
        G[u].insert(v);
        G[v].insert(u);
        g[u].push_back({v, w});
        g[v].push_back({u, w});
        es[i] = {u, v};
    }
    lca.init();
    decompose(0, -1);
//    rep(i, 0, n) {
//        cout << i + 1 << " par: " << par[i] + 1 << " d0:" << d0par[i] << " d1:" << d1par[i] << endl;
//    }
    cin >> q;
    rep(qid, 0, q) {
        char c; cin >> c;
        if(c == '+') {
            int v; ll w; cin >> v >> w; v--;
            int pv = -1;
            while(w >= 0) {
                Sp[v].insert({w, qid});
                if(pv != -1) Sc[v].insert({w, qid});
//                cout << "adding " << w << ", " << qid << " to " << v + 1 << ", " << pv + 1 <<    endl;
                if(v == rt) break;
                w -= d1par[v];
                pv = v;
                v = par[v];
            }
        } else {
            int eid; cin >> eid; eid--;
            int u, v;
            tie(u, v) = es[eid];

            if(d0par[u] < d0par[v]) swap(u, v);

            int cur = u, pv = -1;
//            assert(cur == v);
            ll dissum = 0;
            ll res = 0;
            while(true) {
                ll c0 = sz(Sp[cur]) - Sp[cur].order_of_key({dissum, -INF});
                ll c1 = pv == -1 ? 0LL : sz(Sc[pv]) - Sc[pv].order_of_key({dissum, -INF});
                res += c0 - c1;
                if(cur == rt) break;
                dissum += d1par[cur];
                pv = cur;
                cur = par[cur];
            }
            cout << res << '\n';
        }
    }




}