#include <bits/stdc++.h>


#define ll long long
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()


using namespace std;

const ll inf = 2e18;
mt19937 rnd(234);


struct SGT {
    int n;
    vector<pair<ll, int>> t;
    vector<ll> d;


    void apply(int v, ll x) {
        t[v].first += x;
        d[v] += x;
    }


    void push(int v) {
        apply(v + v, d[v]);
        apply(v + v + 1, d[v]);
        d[v] = 0;
    }


    void upd(int v) {
        t[v] = max(t[v + v], t[v + v + 1]);
    }


    void build(int v, int tl, int tr, vector<pair<ll, int>>& a) {
        if (tl == tr) {
            t[v] = a[tl];
            return;
        }
        int tm = (tl + tr) / 2;
        build(v + v, tl, tm, a);
        build(v + v + 1, tm + 1, tr, a);
        upd(v);
    }


    void build(vector<pair<ll, int>> a) {
        n = (int)a.size();
        t.assign(4 * n, make_pair(-inf, -1));
        d.assign(4 * n, 0);
        build(1, 0, n - 1, a);
    }


    void add(int v, int tl, int tr, int l, int r, ll x) {
        if (tr < l or r < tl) {
            return;
        }
        if (l <= tl and tr <= r) {
            apply(v, x);
            return;
        }
        int tm = (tl + tr) / 2;
        push(v);
        add(v + v, tl, tm, l, r, x);
        add(v + v + 1, tm + 1, tr, l, r, x);
        upd(v);
    }


    void add(int l, int r, ll x) {
        add(1, 0, n - 1, l, r, x);
    }


    void assign(int v, int tl, int tr, int i, ll x, int j) {
        if (tr < i or i < tl) {
            return;
        }
        if (tl == tr) {
            t[v] = { x, j };
            return;
        }
        int tm = (tl + tr) / 2;
        push(v);
        assign(v + v, tl, tm, i, x, j);
        assign(v + v + 1, tm + 1, tr, i, x, j);
        upd(v);
    }


    void assign(int i, ll x, int j) {
        assign(1, 0, n, i, x, j);
    }


    pair<ll, int> get(int v, int tl, int tr, int l, int r) {
        if (tr < l or r < tl) {
            return make_pair(-inf, -1);
        }
        if (l <= tl and tr <= r) {
            return t[v];
        }
        int tm = (tl + tr) / 2;
        push(v);
        return max(get(v + v, tl, tm, l, r), get(v + v + 1, tm + 1, tr, l, r));
    }


    pair<ll, int> get(int l, int r) {
        return get(1, 0, n - 1, l, r);
    }
};


struct edge {
    int to;
    ll w;
};


int n, q;
vector<ll> a;
vector<vector<edge>> g;
vector<int> forth, back;
vector<int> up, h, par, tout;
vector<ll> depth;
vector<int> sz;
SGT sgt, sgt_side;


pair<ll, int> get_vertex_value(int v, int baned = -1) {
    pair<ll, int> val;
    if (baned == -1) {
        val = sgt.get(v, tout[v] - 1);
    } else {
        assert(par[baned] == v);
        val = max(sgt.get(v, baned - 1), sgt.get(tout[baned], tout[v] - 1));
    }
    return make_pair(val.first - depth[v] * 2, val.second);
}


void dfs1(int v) {
    sz[v] = 1;
    int mx_sz = -1;
    int mx_szi = -1;
    for (int i = 0; i < (int)g[v].size(); i += 1) {
        auto [to, w] = g[v][i];
        dfs1(to);
        sz[v] += sz[to];
        if (sz[to] > mx_sz) {
            mx_sz = sz[to];
            mx_szi = i;
        }
    }
    if (mx_szi != -1) {
        swap(g[v][0], g[v][mx_szi]);
    }
}


void dfs2(int v, ll mh, ll mdpth, ll mup, int p) {
    forth[v] = back.size();
    back.push_back(v);
    h[forth[v]] = mh;
    depth[forth[v]] = mdpth;
    up[forth[v]] = forth[mup];
    if (p == -1) {
        par[forth[v]] = -1;
    } else {
        par[forth[v]] = forth[p];
    }
    for (auto [to, w] : g[v]) {
        int toup = mup;
        if (to != g[v][0].to) {
            toup = to;
        }
        dfs2(to, mh + 1, mdpth + w, toup, v);
    }
    tout[forth[v]] = (int)back.size();
}

void reorder() {
    sz.resize(n);
    dfs1(0);
    forth.resize(n);
    back.clear();
    back.reserve(n);
    h.resize(n);
    depth.resize(n);
    up.resize(n);
    par.resize(n);
    tout.resize(n);
    dfs2(0, 0, 0, 0, -1);
    vector<vector<edge>> ng(n);
    for (int v = 0; v < n; v += 1) {
        for (auto [to, w] : g[v]) {
            ng[forth[v]].push_back(edge{ forth[to], w });
        }
    }
    g = ng;
}


void build() {
    reorder();
    vector<pair<ll, int>> sgt_init(n), sgt_side_init(n, make_pair(-inf, -1));
    for (int v = 0; v < n; v += 1) {
        sgt_init[v] = make_pair(depth[v] - a[back[v]], -back[v]);
    }
    sgt.build(sgt_init);
    sgt_side.build(sgt_side_init);
    for (int v = 0; v < n; v += 1) {
        int baned = -1;
        if (!g[v].empty()) {
            baned = g[v][0].to;
        }
        auto val = get_vertex_value(v, baned);
        sgt_side.assign(v, val.first, val.second);
    }
}


void change(int v, ll x) {
    v = forth[v];
    x = -x;
    sgt.add(v, tout[v] - 1, x);
    sgt_side.add(v, tout[v] - 1, x);
    while (v != -1) {
        v = up[v];
        v = par[v];
        if (v == -1) {
            break;
        }
        assert(!g[v].empty());
        int baned = g[v][0].to;
        auto val = get_vertex_value(v, baned);
        sgt_side.assign(v, val.first, val.second);
    }
}


pair<ll, int> get(int root) {
    root = forth[root];
    int v = root;
    pair<ll, int> rs = make_pair(-inf, -1);
    auto val = get_vertex_value(root);
    rs = max(rs, make_pair(val.first + depth[root], val.second));
    while (v != -1) {
        val = sgt_side.get(up[v], v - 1);
        rs = max(rs, make_pair(val.first + depth[root], val.second));
        v = up[v];
        if (par[v] == -1) {
            break;
        }
        val = get_vertex_value(par[v], v);
        rs = max(rs, make_pair(val.first + depth[root], val.second));
        v = par[v];
    }
    return make_pair(rs.first, -rs.second);
}





int32_t main() {
    if (1) {
        ios::sync_with_stdio(0);
        cin.tie(0);
        cout.tie(0);
    }
    cin >> n >> q;
    a.resize(n);
    for (int i = 0; i < n; i += 1) {
        cin >> a[i];
    }
    g.assign(n, vector<edge>());
    for (int i = 1; i < n; i += 1) {
        int p;
        ll w;
        cin >> p >> w;
        --p;
        g[p].push_back(edge{ i, w });
    }
    build();
    for (int itr = 0; itr < q; itr += 1) {
        int x, y;
        ll val;
        cin >> x >> y >> val;
        --x;
        --y;
        change(y, val);
        auto [goodness, v] = get(x);
        cout << v + 1 << " " << goodness << "\n";
    }
    return 0;
}


/*
6 6
1 1 4 5 1 4
1 5
2 0
3 2
4 1
5 6
3 2 -100000
1 2 100000
1 1 0
2 2 66
3 1 5
4 4 -3

5 6
-10 0 2 -4 8
1 7
1 1
2 2
2 -2
1 1 100
2 1 -100
1 1 0
4 3 10
2 5 3
5 2 2
*/