// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

#define REP(i, s, e) for (int i = (s); i < (e); i++)
#define RREP(i, s, e) for (int i = (s); i >= (e); i--)
template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 100005;
const int MAXL = 20;

#define assert(x) while (!(x)) cout << "HI"

int n, q;
iii eg[MAXN];
vii adj[MAXN];

int sub[MAXN], cl[MAXN], cp[MAXN];
ll d[MAXL][MAXN];
int getsub(int u, int p, int l) {
    sub[u] = 1;
    for (auto [v, c] : adj[u]) {
        if (v == p || cl[v]) {
            continue;
        }
        d[l - 1][v] = d[l - 1][u] + c;
        sub[u] += getsub(v, u, l);
    }
    return sub[u];
}
int getcent(int u, int p, int s) {
    for (auto [v, c] : adj[u]) {
        if (v == p || cl[u]) {
            continue;
        }
        if (sub[v] > s / 2) {
            return getcent(v, u, s);
        }
    }
    return u;
}
void build(int u, int p, int l) {
    u = getcent(u, p, getsub(u, p, l));
    cp[u] = p;
    cl[u] = l;
    for (auto [v, w] : adj[u]) {
        if (cl[v]) {
            continue;
        }
        d[l][v] = w;
        build(v, u, l + 1);
    }
}

#define MXST 2 * MAXN + MAXN * 62
int sm[MXST], lc[MXST], rc[MXST], ptr;
void incre(int p, int x, int u, int lo = 0, int hi = INF) {
    if (lo == hi) {
        sm[u] += x;
        return;
    }
    int mid = lo + hi >> 1;
    if (p <= mid) {
        if (!lc[u]) {
            assert(ptr < MXST);
            lc[u] = ptr++;
        }
        incre(p, x, lc[u], lo, mid);
    } else {
        if (!rc[u]) {
            assert(ptr < MXST);
            rc[u] = ptr++;
        }
        incre(p, x, rc[u], mid + 1, hi);
    }
    sm[u] = sm[lc[u]] + sm[rc[u]];
}
int qsm(int s, int e, int u, int lo = 0, int hi = INF) {
    if (u == 0) {
        return 0;
    }
    if (lo >= s && hi <= e) {
        return sm[u];
    }
    int mid = lo + hi >> 1;
    int res = 0;
    if (s <= mid) {
        res += qsm(s, e, lc[u], lo, mid);
    }
    if (e > mid) {
        res += qsm(s, e, rc[u], mid + 1, hi);
    }
    return res;
}

int main() {
#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> n;
    REP (i, 1, n) {
        int a, b, c; cin >> a >> b >> c;
        adj[a].pb({b, c});
        adj[b].pb({a, c});
        eg[i] = {a, b, c};
    }
    build(1, 0, 1);
    cerr << "------------ CP ARRAY ------------\n";
    REP (i, 1, n + 1) {
        cerr << i << ": " << cp[i] << '\n';
    }
    cerr << "----------------------------------\n";
    cin >> q;
    ptr = 2 * n + 5;
    while (q--) {
        char c; cin >> c;
        if (c == '+') {
            int x, r; cin >> x >> r;
            cerr << "+ " << x << ' ' << r << '\n';
            int ox = x;
            RREP (l, cl[x], 1) {
                int tr = r - d[l][ox];
                if (tr >= 0) {
                    incre(tr, 1, x << 1);
                    cerr << "NORM UPDATE: " << tr << ' ' << x << '\n';
                }
                if (l > 1) {
                    int tr = r - d[l - 1][ox];
                    if (tr >= 0) {
                        incre(tr, 1, x << 1 ^ 1);
                        cerr << "WEIRD UPDATE: " << tr << ' ' << x << '\n';
                    }
                }
                x = cp[x];
            }
            assert(x == 0);
        } else {
            int y; cin >> y;
            auto [u, v, c] = eg[y];
            if (cl[u] < cl[v]) {
                swap(u, v);
            }
            cerr << "? " << u << ' ' << v << '\n';
            int ou = u, ov = v;
            int pu = -1;
            int ans = 0;
            RREP (l, cl[u], cl[v] + 1) {
                int nd = d[l][ou] + c;
                if (nd <= INF) {
                    int res = qsm(nd, INF, u << 1);
                    ans += res;
                    cerr << "NORM QRY: " << nd << ' ' << u << " -> " << res << '\n';
                    if (pu != -1) {
                        res = qsm(nd, INF, pu << 1 ^ 1);
                        ans -= res;
                        cerr << "WEIRD QRY: " << nd << ' ' << u << " -> " << res << '\n';
                    }
                }
                pu = u;
                u = cp[u];
            }
            assert(u == v);
            RREP (l, cl[v], 1) {
                int nd = max(d[l][ou], d[l][ov]);
                if (nd <= INF) {
                    int res = qsm(nd, INF, u << 1);
                    ans += res;
                    cerr << "NORM QRY: " << nd << ' ' << u << " -> " << res << '\n';
                    assert(pu != -1);
                    res = qsm(nd, INF, pu << 1 ^ 1);
                    ans -= res;
                    cerr << "WEIRD QRY: " << nd << ' ' << u << " -> " << res << '\n';
                }
                pu = u;
                u = cp[u];
            }
            assert(u == 0);
            cout << ans << '\n';
        }
    }
    return 0;
}