#include <algorithm>
#include <array>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;

namespace io {
// Input
using IS = istream;
IS &in(IS &i) { return i; }
template <class T, class... Ts> IS &in(IS &i, T &a, Ts &... as) {
  return in(i >> a, as...);
}
template <class V> IS &operator>>(IS &i, vector<V> &a) {
  for_each(a.begin(), a.end(), [&i](auto &e) { i >> e; });
  return i;
}
template <class F, class S> IS &operator>>(IS &i, pair<F, S> const &p) {
  return in(p.first, p.second);
}
template <class... Ts, size_t... I>
IS &tuple_in(IS &i, tuple<Ts...> &t, index_sequence<I...>) {
  return in(i, get<I>(t)...);
}
template <class... Ts> IS &operator>>(IS &i, tuple<Ts...> &t) {
  return tuple_in(i, t, make_index_sequence<sizeof...(Ts)>());
}
// Output
using OS = ostream;
OS &out(OS &o) { return o << endl; }
template <class T> OS &out(OS &o, T const &a) { return o << a << endl; }
template <class T, class... Ts> OS &out(OS &o, T const &a, Ts const &... as) {
  return out(o << a << " ", as...);
}
template <class F, class S> OS &operator<<(OS &o, pair<F, S> const &p) {
  return o << "(" << p.first << " : " << p.second << ")";
}
template <class... Ts> OS &args_out(OS &o, Ts const &... ts);
OS &args_out(OS &o) { return o; }
template <class T> OS &args_out(OS &o, T const &t) { return o << t; }
template <class T0, class T1, class... Ts>
OS &args_out(OS &o, T0 const &t0, T1 const &t1, Ts const &... ts) {
  return args_out(o << t0 << ",", t1, ts...);
}
template <class... Ts, size_t... I>
OS &tuple_out(OS &o, tuple<Ts...> const &t, index_sequence<I...>) {
  return args_out(o, get<I>(t)...);
}
template <class... Ts> OS &operator<<(OS &o, tuple<Ts...> const &t) {
  return tuple_out(o << "(", t, make_index_sequence<sizeof...(Ts)>()) << ")";
}
template <
    class C,
    class T = typename iterator_traits<typename C::iterator>::value_type,
    typename enable_if<!is_same<C, string>::value, nullptr_t>::type = nullptr>
OS &operator<<(OS &o, C const &a) {
  return a.empty() ? (o << "[]") : ([&o, &a]() -> OS & {
    o << "[" << *a.begin();
    for_each(next(a.begin()), a.end(), [&o](auto const &e) { o << "," << e; });
    return o << "]";
  }());
}
} // namespace io
template <class... Xs> void input(Xs &... xs) { io::in(cin, xs...); }
template <class... Xs> void print(Xs const &... xs) { io::out(cout, xs...); }
#ifdef JUMPAKU_DEBUG
template <class... Xs> void dump(Xs const &... xs) { io::out(cout, xs...); }
#else
template <class... Xs> void dump(Xs const &... xs) {}
#endif

// Hash
namespace hashcode {
template <class... Ts> size_t hash_args(size_t h, Ts const &... ts);
size_t hash_args(size_t h) { return h; }
template <class T, class... Ts>
size_t hash_args(size_t h, T const &t, Ts const &... ts) {
  return hash_args(h * 31 + hash<T>{}(t), ts...);
}
template <class... Ts, size_t... I>
size_t hash_tuple(tuple<Ts...> const &t, index_sequence<I...>) {
  return hash_args(17, get<I>(t)...);
}
} // namespace hashcode
namespace std {
template <class... Ts> struct hash<tuple<Ts...>> {
  size_t operator()(tuple<Ts...> const &t) const {
    return hashcode::hash_tuple(t, index_sequence_for<Ts...>());
  }
};
} // namespace std

// Types
using ll = long long int;
template <class T> using u_set = unordered_set<T>;
template <class K, class V> using u_map = unordered_map<K, V>;

// Range
vector<ll> range(ll const &begin, ll const &end) {
  vector<ll> ret(max(0LL, end - begin));
  iota(ret.begin(), ret.end(), begin);
  return ret;
}
vector<ll> range(ll const &end) { return range(0, end); }
template <class T = ll> vector<T> vec(size_t n, T &&init = T()) {
  return vector<T>(n, init);
}
template <class Itr, class T = typename iterator_traits<Itr>::value_type>
vector<T> vec(Itr begin, Itr end) {
  return vector<T>(begin, end);
}

// MOD
ll gcd(ll p, ll q) { return (q == 0) ? p : gcd(q, p % q); }
ll pow(ll a, ll n, ll m) {
  if (n == 0)
    return 1;
  if (n & 1)
    return ((a % m) * pow(a, n - 1, m)) % m;
  auto b = pow(a, n / 2, m);
  return (b * b) % m;
}
ll inv(ll a, ll p) { return pow(a, p - 2, p); }
constexpr ll MOD = 1e9 + 7;

/*ll f(u_map<ll, u_set<ll>> &children, vector<ll> const &d, ll const &p,
     u_map<ll, ll> &cache) {
  if (cache.find(p) != cache.end())
    return cache[p];
  auto ret = d[p];
  for (auto const &c : children[p]) {
    ret += f(children, d, c, cache);
  }
  return cache[p] = ret;
}*/
ll f(u_map<ll, ll> &parent, vector<ll> const &d, ll const &c,
     u_map<ll, ll> &cache) {
  if (cache.find(c) != cache.end())
    return cache[c];
  if (c == 0)
    return cache[c] = d[c];
  return cache[c] = d[c] + f(parent, d, parent[c], cache);
}

int main() {
  ll N, Q;
  input(N, Q);
  // auto children = u_map<ll, u_set<ll>>{};
  auto parent = u_map<ll, ll>{};
  for (ll i = 0; i < N - 1; i++) {
    ll a, b;
    input(a, b);
    --a;
    --b;
    // children[a].insert(b);
    parent[b] = a;
  }
  dump(N, Q);
  // dump(children);
  dump(parent);
  using Op = tuple<ll, ll>;
  constexpr ll P = 0;
  constexpr ll X = 1;
  auto ops = vec<Op>(Q);
  input(ops);
  dump(ops);
  auto d = vec(N);
  for (auto const &op : ops) {
    d[get<P>(op) - 1] += get<X>(op);
  }
  dump(d);

  auto cache = u_map<ll, ll>{};
  auto ans = vec(N);
  /*for (auto p : range(N)) {
    ans[p] = f(children, d, p, cache);
    */
  for (auto c : range(N))
    ans[c] = f(parent, d, c, cache);

  dump(cache);
  dump(ans);

  cout << ans[0];
  for (ll i = 1; i < N; i++)
    cout << " " << ans[i];
  cout << endl;
}


Measured memory_bytes: 25132