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

typedef long long ll;
const double EPS = 1e-9;
typedef vector<ll> vecl;
typedef pair<ll, ll> pairl;

template<typename T, typename U>
using mapv = map<T,vector<U>>;

#define ALL(v) v.begin(), v.end()
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i, n) REP(i, 0, n)
template<class T, class C> void chmax(T& a, C b){ a>b?:a=b; }
template<class T, class C> void chmin(T& a, C b){ a<b?:a=b; }

#define MOD097 1000000007

///// For Debug

#define repi(itr, ds) for (auto itr = ds.begin(); itr != ds.end(); itr++)
// vector
template <typename T>
istream &operator>>(istream &is, vector<T> &vec) {
    for (T &x : vec) is >> x;
    return is;
}
// pair
template <typename T, typename U>
ostream &operator<<(ostream &os, pair<T, U> &pair_var) {
    os << "(" << pair_var.first << ", " << pair_var.second << ")";
    return os;
}
// vector
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &vec) {
    os << "{";
    for (int i = 0; i < vec.size(); i++) {
        os << vec[i] << (i + 1 == vec.size() ? "" : ", ");
    }
    os << "}";
    return os;
}
// map
template <typename T, typename U>
ostream &operator<<(ostream &os, map<T, U> &map_var) {
    os << "{";
    repi(itr, map_var) {
        os << *itr;
        itr++;
        if (itr != map_var.end()) os << ", ";
        itr--;
    }
    os << "}";
    return os;
}
// set
template <typename T>
ostream &operator<<(ostream &os, set<T> &set_var) {
    os << "{";
    repi(itr, set_var) {
        os << *itr;
        itr++;
        if (itr != set_var.end()) os << ", ";
        itr--;
    }
    os << "}";
    return os;
}
 
#define DUMPOUT cerr
 
void dump_func() {
    DUMPOUT << endl;
}
template <class Head, class... Tail>
void dump_func(Head &&head, Tail &&... tail) {
    DUMPOUT << head;
    if (sizeof...(Tail) > 0) {
        DUMPOUT << ", ";
    }
    dump_func(std::move(tail)...);
}

// 提出時はコメントアウト
// #define LOCAL
#define DEBUG_

#ifndef LOCAL
#undef DEBUG_
#endif

#ifdef DEBUG_

#define DEB
#define dump(...)                                                              \
    DUMPOUT << "  " << string(#__VA_ARGS__) << ": "                            \
            << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]"        \
            << endl                                                            \
            << "    ",                                                         \
        dump_func(__VA_ARGS__)
#else
#define DEB if (false)
#define dump(...)

#endif

//////////


int main() {
    #ifdef LOCAL
    ifstream in("../../Atcoder/input.txt");
    cin.rdbuf(in.rdbuf());
    #endif

    ll N,Q;
    cin >> N >> Q;
    vector<vecl> G(N);

    rep(i,N-1) {
        ll a,b;
        cin>>a>>b;
        a--;b--;
        G[a].push_back(b);
        G[b].push_back(a);
    }

    map<ll,ll> X;
    rep(i,Q) {
        ll p,x;
        cin>>p>>x;
        p--;
        X[p] += x;
    }
    

    stack<pair<ll,ll>> S;
    unordered_set<ll> seen;
    map<ll,ll> scores;

    S.emplace(0,X[0]);


    while (!S.empty()) {
        auto c = S.top(); S.pop();
        auto current = get<0>(c);
        auto score = get<1>(c);

        seen.insert(current);
        scores[current] = score;

        for(auto &e : G[current]) {
            if (seen.count(e) > 0) continue;
            ll next_score = X.count(e) > 0 ? score + X[e] : score;
            S.emplace(e,next_score);
        }
    }

    rep(i,N-1) {
        cout << scores[i] << " ";
    }

    cout << scores[N-1] << endl;


    return 0;
}


Measured memory_bytes: 48980