#include <bits/stdc++.h>
#define loop(n) for (int ngtkana_is_geneous = 0; ngtkana_is_geneous < n; ngtkana_is_geneous++)
#define rep(i, begin, end) for(int i = begin; i < end; i++)

using std::to_string;
auto to_string(std::string s) -> std::string {
  return '"' + s + '"';
#define LOCAL
}
auto to_string(char c) -> std::string {
  return "'" + std::string{c} + "'";
}
auto to_string(const char* s) -> std::string {
  return to_string((std::string) s);
}
auto to_string(bool b) -> std::string {
  return (b ? "true" : "false");
}
template <typename T, typename U>
auto to_string(std::pair<T, U> p) -> std::string {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
template <size_t N>
auto to_string(std::bitset<N> bs) -> std::string {
  std::string res{};
  for (size_t i = 0; i < N; i++)
    res.insert(res.begin(), bs.test(i) ? '1' : '0');
  return res;
}
template <typename T>
auto to_string(T v) -> std::string {
  bool flg = false;
  std::string res = "{";
  for (auto const&x : v) {
    if (flg) res += ", ";
    else flg = true;
    res += to_string(x);
  }
  res += "}";
  return res;
}
void debug_out() { std::cerr << std::endl; }
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
  std::cerr << " " << to_string(H);
  debug_out(T...);
}
#ifdef LOCAL
#define debug(...) std::cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

template<typename T>
class fixed_point : T {
  public:
    explicit constexpr fixed_point (T&& t) noexcept
      : T(std::forward<T>(t)) {}
    template<typename... Args>
    constexpr decltype(auto) operator()(Args&&... args) const
      {return T::operator()(*this, std::forward<Args>(args)...);}
};
template<typename T>
static inline constexpr decltype(auto) fix (T&& t) noexcept {
  return fixed_point<T>{std::forward<T>(t)};
}

template <typename T>
auto make_vector(size_t sz, T t) {
  return std::vector<T>(sz, t);
}
template <size_t N, typename T, typename U, std::enable_if_t<
  N == 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t sz, U u) {
  return make_vector(sz, T(u));
}
template <size_t N, typename T, std::enable_if_t<
  N == 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t sz) {
  return std::vector<T>(sz);
}
template <size_t N, typename T, typename... Args, std::enable_if_t<
  N != 1, std::nullptr_t> = nullptr>
auto make_higher_vector(size_t a, Args... args) {
  return make_vector(a, make_higher_vector<N - 1, T>(args...));
}
template <typename T, typename Size_t>
auto& at(T& t, Size_t i) {
  return t.at(i);
}
template <typename T, typename Size_t, typename... Args>
auto& at(T& t, Size_t i, Args... args) {
  return at(t.at(i), args...);
}

int main()
{
  std::cin.tie(0); std::cin.sync_with_stdio(false);
  int n, q; std::cin >> n >> q;
  auto tree = make_higher_vector<2, int>(n, 0);
  loop(n - 1)
  {
    int a, b; std::cin >> a >> b;
    a--, b--;
    tree.at(a).emplace_back(b);
    tree.at(b).emplace_back(a);
  }
  std::vector<int> queries(n, 0);
  std::vector<int> ret(n, 0);
  loop(q)
  {
    int p, x; std::cin >> p >> x;
    p--;
    queries.at(p) += x;
  }
  int root = 0;
  int now = 0;
  fix ([&](auto dfs, int crr, int p) -> void {
    now += queries.at(crr);
    ret.at(crr) = now;
    for (auto const& nxt : tree.at(crr)) {
      if (nxt == p) continue;
      dfs(nxt, crr);
    }
    now -= queries.at(crr);
  })(root, root);
  rep(i, 0, n)
  {
    std::cout << (i > 0 ? " " : "") << ret.at(i);
  }
  std::cout << std::endl;
  return 0;
}

Measured memory_bytes: 28032