#include <bits/stdc++.h>
using namespace std;
#include <atcoder/lazysegtree>
using namespace atcoder;

using ll = long long;


// Euler Tour
vector<int> vis;
vector<ll> edges(1, 0);
vector<vector<pair<int, ll>>> g(50000);
vector<int> in(50000);
vector<int> out(50000);
vector<int> seen(50000, false);
int t = 0;

void dfs(int p){
    in[p] = t;
    t++;
    vis.push_back(p);
    seen[p] = true;
    
    for(auto v : g[p]){
        if(seen[v.first]) continue;
        edges.push_back(v.second);
        dfs(v.first);
        vis.push_back(p);
        edges.push_back(0);
    }

    t++;
    out[p] = t;
}

// lazy segtree
ll ID = 8000000000000000000;
ll op(ll a, ll b){
    return a ^ b;
}
ll e(){
    return 0;
}
ll mapping(ll f, ll x){
    if(f == ID){
        return x;
    }else{
        return f;
    }
}
ll composition(ll f, ll g){
    if(f == ID){
        return g;
    }else{
        return f;
    }
}
ll id(){
    return ID;
}

// main
int main(){
    int n; cin >> n;
    for(int i = 0; i < n - 1; i++){
    int l, r; cin >> l >> r;
        ll a; cin >> a;
        g[l - 1].push_back({r - 1, a});
        g[r - 1].push_back({l - 1, a});
    }

    vis.reserve(n * 2);
    edges.reserve(n * 2);

    dfs(0);
    edges.push_back(0);

    int m = vis.size();
    lazy_segtree<ll, op, e, ll, mapping, composition, id> seg(edges);

    int q; cin >> q;
    for(int i = 0; i < q; i++){
        int t; cin >> t;
        int x; cin >> x;
        x--;
        if(t == 1){
            // delete
            seg.apply(in[x], out[x], 0);
        }else{
            // f(x)
            cout << seg.prod(in[x] + 1, out[x]) << endl;
        }
    }
}