// Slower C++ solution:
#include "bits/stdc++.h"



using namespace std;







int N;



std::vector<std::vector<int> > A(200000 + 5);

std::vector<long long > V;

void print() {

	for (int i = 1; i <= N; ++i) {

		cerr << V[i] << " ";

	}

	cerr << endl;

}

void func(int p, int from) {

	

	//cerr << "from=" << from << ",p=" << p << endl;

	for (int i = 0; i < A[p].size(); ++i) {

		if (A[p][i] == from) {

			continue;

		}

		V[A[p][i]] += V[p];

		func(A[p][i], p);

	}

	

}



int  main()

{

	int N;

	int Q;

	cin >> N;

	cin >> Q;

	for (int i = 1; i <= N-1; ++i) {

		int a, b;

		cin >> a;

		cin >> b;

		A[a].push_back(b);

		A[b].push_back(a);

	}

	V.clear();

	V.resize(N + 1);





	for (int i = 0; i < Q; ++i) {

		int p;

		long long x;

		cin >> p;

		cin >> x;

		V[p] += x;

	}



	func(1, 0);



	for (int i = 1; i <= N; ++i) {

		cout << V[i] << " ";

	}

}


// Faster C++ solution for the same problem (measured speedup: 6.375489674365896x):
#include "bits/stdc++.h"

#define _USE_MATH_DEFINES

#include <math.h>



using namespace std;



using LL = long long;

using VLL = std::vector<LL>;

using VVLL = std::vector<VLL>;

using VVVLL = std::vector<VVLL>;

using LD = long double;

using VLD = std::vector<LD>;

using VVLD = std::vector<VLD>;

using VVVLD = std::vector<VVLD>;

using BL = bool;

using VBL = std::vector<BL>;

using VVBL = std::vector<VBL>;

using VVVBL = std::vector<VVBL>;



template<class T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return true; }return false; }

template<class T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return true; }return false; }

template<class T> void bye(T a){cout << a << '\n'; exit(0);} 



//template<class T=LL> inline vector<T> cinv(LL N){ vector<T> v(N); REP(i, N)cin>>v[i]; return move(v);}

//template<class T=LL> inline vector<T> cinv(LL N){ vector<T> v(N); REP(i, N)cin>>v[i]; return move(v);}

#define REP(i,n) for(LL (i)=0;(i)<(LL)(n);(i)++)

#define REPM(i,n,m) for(LL (i)=m;(i)<(LL)(n);(i)++)

#define REPI(i,n) for(LL (i)=(n-1);(i)>=(LL)(0);(i)--)

#define ALL(v) v.begin(), v.end()

#define PRINTLN(v) {LL i=0; for(auto (a): v ){   cerr <<setw(2) <<i << " : "<<  a << endl; i++;}}

//#define PRLLSP(v) for(auto (a): v ) {cerr << a << " ";} cerr << endl





template<class T> 

void PRINTSP(vector<T> v, size_t w=3){

  for(auto (a): v ) {cerr <<setw(w)<< a << " ";} cerr << endl;

} 





struct mll{

  static LL MOD;

  LL val;

  mll(LL v = 0): val(v % MOD){ if (val < 0) val += MOD; }

  mll operator - () const { return -val; }

  mll operator + (const mll &b) const { return val + b.val; }

  mll operator - (const mll &b) const { return val - b.val; }

  mll operator * (const mll &b) const { return val * b.val; }

  mll operator / (const mll &b) const { return mll(*this) /= b; }

  mll operator + (LL b) const { return *this + mll(b); }

  mll operator - (LL b) const { return *this - mll(b); }

  mll operator * (LL b) const { return *this * mll(b); }

  friend mll operator + (LL a, const mll &b) { return b + a; }

  friend mll operator - (LL a, const mll &b) { return -b + a; }

  friend mll operator * (LL a, const mll &b) { return b * a; }

  mll &operator += (const mll &b) { val=(val+b.val)%MOD; return *this; }

  mll &operator -= (const mll &b) { val=(val+MOD-b.val)%MOD; return *this; }

  mll &operator *= (const mll &b) { val=(val*b.val)%MOD; return *this; }

  mll &operator /= (const mll &b) {

    LL c=b.val, d=MOD, u=1, v=0;

    while (d){

      LL t = c / d;

      c -= t * d; swap(c, d);

      u -= t * v; swap(u, v);

    }

    val = val * u % MOD;

    if (val < 0) val += MOD;

    return *this;

  }

  mll &operator += (LL b) { return *this += mll(b); }

  mll &operator -= (LL b) { return *this -= mll(b); }

  mll &operator *= (LL b) { return *this *= mll(b); }

  mll &operator /= (LL b) { return *this /= mll(b); }

  bool operator == (const mll &b) { return val == b.val; }

  bool operator != (const mll &b) { return val != b.val; }

  bool operator == (LL b) { return *this == mll(b); }

  bool operator != (LL b) { return *this != mll(b); }

  friend bool operator == (LL a, const mll &b) { return mll(a) == b.val; }

  friend bool operator != (LL a, const mll &b) { return mll(a) != b.val; }

  friend ostream &operator << (ostream &os, const mll &a) { return os << a.val; }

  friend istream &operator >> (istream &is, mll &a) { return is >> a.val; }

  static mll Combination(LL a, LL b){

    chmin(b, a-b);

    if (b<0) return mll(0);

    mll c = 1;

    REP(i, b) c *= a-i;

    REP(i, b) c /= i+1;

    return c;

  }

  static mll Kumiawase(LL a, LL b){

    chmin(b, a-b);

    if (b<0) return mll(0);

    return Junretu(a,b)/Kaijou(b);

  }

  static mll Kaijou(LL a){

    if (a<0)  return mll(0);

    mll c = 1;

    for(LL i=1;i<=a;i++){

      c *= i;

    }

    return c;

  }

  static mll Junretu(LL a, LL b){

    if(a<b){

      return mll(0);

    }

    mll c = 1;

    for(LL i=a;i>a-b;i--){

      c *= i;

    }



    return c;

  }

  static mll _Junretu(LL a, LL b){

    if(a<b){

      return mll(0);

    }

    return Kaijou(a)/(Kaijou(a-b));

  }

  LL get(){

    return val;

  }

};

LL mll::MOD = (LL)(1e9 + 7);// 998244353LL;//(LL)(1e9 + 7);

using vmll = std::vector<mll>;

using vvmll = std::vector<vmll>;

using vvvmll = std::vector<vvmll>;

using vvvvmll = std::vector<vvvmll>;



// a^n mod を計算する

LL modpow(LL a, LL n, LL mod) {

    long long res = 1;

    while (n > 0) {

        if (n & 1) res = res * a % mod;

        a = a * a % mod;

        n >>= 1;

    }

    return res;

}



template<typename TTT>

vector<LL> arg_sort(vector<TTT> A, bool ascend = true) {

  vector<LL> index(A.size());

  iota(index.begin(), index.end(), 0);

  if (ascend) {

    std::sort(index.begin(), index.end(), [&A](TTT i1, TTT i2) {

      return A[i1] < A[i2];

      });

  }

  else {

    std::sort(index.begin(), index.end(), [&A](TTT i1, TTT i2) {

      return A[i1] > A[i2];

      });

  }



  return index;

}



template<typename _Iterator, typename _Compare>

LL num_of_ika(_Iterator _first, _Iterator _last, _Compare key){

  return (LL)(upper_bound(_first,_last,key)-_first);

}

template<typename _Iterator, typename _Compare>

LL num_of_ookii(_Iterator _first, _Iterator _last, _Compare key){

  return (LL)(_last-upper_bound(_first,_last,key));

}

template<typename _Iterator, typename _Compare>

LL num_of_chisai(_Iterator _first, _Iterator _last, _Compare key){

  return (LL)(lower_bound(_first,_last,key) - _first);

}

template<typename _Iterator, typename _Compare>

LL num_of_ijou(_Iterator _first, _Iterator _last, _Compare key){

  return (LL)(_last-lower_bound(_first,_last,key));

}

template<typename _Iterator, typename _Compare>

LL num_of_onaji(_Iterator _first, _Iterator _last, _Compare key){

  return (LL)(upper_bound(_first,_last,key)-lower_bound(_first,_last,key));

}











#define cmax(a,b) {if(a<b){a=b;}}

#define cmin(a,b) {if(a>b){a=b;}}

#define EACH(a,A) for(auto a: A)

//#define cmax(a,b) a = (a>b ? a:b)

//#define cmin(a,b) a = (a<b ? a:b) 

//cin,cout高速化のおまじない＋桁数指定

inline VLL cinvll(LL N, LL minus = 0){

  VLL A(N);

  REP(i,N){

    cin >> A[i];

    A[i] -= minus;

  }

  return move(A);

}

inline VVLL zerosll(LL H, LL W, LL val=0){

  VVLL A(H,VLL(W,val));

  return move(A);

}

inline VVVLL zerosll3(LL H, LL W,LL C, LL val=0){

  VVVLL A(H,VVLL(W,VLL(C,val)));

  return move(A);

}





#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<string>

ostream &operator<<(ostream &os, const vector<string> &vec) {

  

  LL N = to_string((LL)vec.size()).length();

  string head;

  REP(i,N+2){ head += "-";}

  REP(i,40){ head += to_string(i%10);}

  os << setw(N) << head << endl;

   

  for (LL i = 0; i < (LL)vec.size(); i++) {

    os << setw(N) << i << ": " << vec[i] << endl;

  } 

  return os;

}

// vector<LL>

ostream &operator<<(ostream &os, const vector<LL> &vec) {

  LL N = to_string((LL)vec.size()).length();

  for (LL i = 0; i < (LL)vec.size(); i++) {

    os << setw(N) << i << ": " <<vec[i] << endl;

  } 

  return os;

}

// vector<LD>

ostream &operator<<(ostream &os, const vector<LD> &vec) {

  LL N = to_string((LL)vec.size()).length();

  for (LL i = 0; i < (LL)vec.size(); i++) {

    os << setw(N) << i << ": " <<vec[i] << endl;

    //os <<vec[i] << endl;

  } 

  return os;

}

// VVLL

ostream &operator<<(ostream &os, const vector<vector<LL>> &mat) {

  LL keta = 1;

  REP(i,mat.size()){

    REP(j,mat[i].size()){

      LL x = mat[i][j];

      chmax(keta,(LL)to_string(x).length());

    }

  }

  LL N = to_string((LL)mat.size()).length();

  REP(i,mat.size()){

    os << setw(N) << i << ": " ;

    REP(j,mat[i].size()){

      LL x = mat[i][j];

      os << setw(keta+1) <<x;

    }

    os << endl;

  }  

  return os;

}



// vector

template <typename T>

ostream &operator<<(ostream &os, const vector<T> &vec) {



  for (LL i = 0; i < (LL)vec.size(); i++) {

    //os << setw(3) <<i <<" : "<< setw(5) << vec[i] << endl;

    os << setw(5) << vec[i];

  } 

  os << endl;

  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

#define DUMPCOLOR ("\033[36m")



void dump_func() {

    DUMPOUT << endl;

}

template <class Head, class... Tail>

void dump_func(Head &&head, Tail &&... tail) {

    DUMPOUT << DUMPCOLOR;

    DUMPOUT << head;

    if (sizeof...(Tail) > 0) {

        DUMPOUT << ", ";

    }

    dump_func(std::move(tail)...);

    DUMPOUT << "\033[m";

}

#ifdef DEBUG_

#define DEB

#define dump(...)                                                              \

    DUMPOUT << DUMPCOLOR                                                      \

            << "" << string(#__VA_ARGS__) << ": "                            \

            << "[" << to_string(__LINE__) << ":" << __FUNCTION__ << "]"        \

            << endl                                                            \

            << "\033[m"                                                        \

            << "",                                                         \

        dump_func(__VA_ARGS__)

#else

#define DEB if (false)

#define dump(...)

#endif



struct Fast{

  Fast(){

    cin.tie(0);

    ios::sync_with_stdio(false);

    cout << fixed << setprecision(std::numeric_limits<double>::max_digits10);

  }

} fast;



struct UnionFindTree {

private:

  vector<LL> UFT;

public:

  UnionFindTree(LL N) {

    UFT.resize(N);

    for (LL i = 0; i < N; i++) {

      UFT[i] = -1; 

    }

  }



  //! rootのindexを返す

  LL root(LL i) { 

    if (UFT[i] < 0) {

      return i;

    }

    else {

      LL j = root(UFT[i]);

      UFT[i] = j;

      return j;

    }

  }



  //! iとjが同じ集合かどうか

  bool same(LL i, LL j) {

    return (root(i) == root(j));

  }

  //! 統合する

  bool unite(LL i, LL j)

  {

    if(same(i,j)){

      return false;

    }



    LL root_i = root(i);

    LL root_j = root(j);

    if (root_i != root_j) {

      if (size(root_i) < size(root_j)) {

        swap(root_i, root_j);

      }

      UFT[root_i] += UFT[root_j];

      UFT[root_j] = root_i;

    }

    return true;

  }



  //! 自身が属している集合のサイズを返す 

  LL size(LL i) {

    return -UFT[root(i)];

  }



  //! 集合が何個あるかを返す

  LL get_root_num() {

    set<LL> roots;

    for (LL i = 0; i < (LL)UFT.size(); ++i) {

      roots.insert(root(i));

    }

    return (LL)roots.size();

  }



  //! 各rootに属する子を返す 

  map<LL, vector<LL>> get_root_child() {

    map<LL, vector<LL>> a;

    for (LL i = 0; i < (LL)UFT.size(); ++i) {

      LL j = root(i);

      a[j].push_back(i);

    }

    return move(a);

  }

  //! 各rootに属する子を返す 

  unordered_map<LL, vector<LL>> get_root_child2() {

    unordered_map<LL, vector<LL>> a;

    for (LL i = 0; i < (LL)UFT.size(); ++i) {

      LL j = root(i);

      a[j].push_back(i);

    }

    return move(a);

  }



  //! 標準エラーに出力する

  void print() { 

    map<LL, vector<LL>> M = get_root_child();

    for(auto m :M){

      dump(m.first, m.second);

    }

    // for (LL i = 0; i < (LL)UFT.size(); ++i) {

    //   cerr << root(i) << " ";



    // }

    cerr << endl;

  }

};

#if 0 

LL GCD(LL m, LL n) {



  if (m < n) {

    swap(m, n);

  }



  while (n != 0) {

    LL n_new = m % n;

    m = n;

    n = n_new;

  }



  return m;



}



VLL B;

VVLL T;

LL cnt=0;

void dfs(LL me,LL oya){



  for(LL i=0;i<T[me].size();i++){

    LL ko = T[me][i];

    if(ko==oya){

      continue;

    }

    cnt += min(B[me],B[ko]);

    dfs(ko,me);

  }



}

#endif





bool isPrime(LL N)

{

  if (N < 2) {

    return false;

  }

  else if (N == 2) {

    return true;

  }

  else if (N % 2 == 0) {

    return false;

  }



  LD sqrtNum = sqrt(N);

  for (LL i = 3; i <= sqrtNum; i += 2)

  {

    if (N % i == 0)

    {

      return false;

    }

  }

  return true;

}





#if 1



map< LL, LL > prime_factor(LL n) {

  map< LL,LL > ret;

  for(LL i = 2; i * i <= n; i++) {

    while(n % i == 0) {

      ret[i]++;

      n /= i;

    }

  }

  if(n != 1) ret[n] = 1;

  return ret;

}



LL GCD(LL m, LL n)

{

  if(m < n) {

    swap(m, n);

  }



  while(n != 0) {

    LL n_new = m % n;

    m = n;

    n = n_new;

  }

  return m;

}





LL LCM(LL x, LL y) { return x / GCD(x, y) * y; }



#endif



struct Furui{

  LL n;

  VLL f;

  VLL prime;



  Furui(LL n=1):n(n),f(n+1){

    f[0]=-1;

    f[1]=-1;

    for( LL i=2;i<=n;i++){

      if(f[i]){

        continue;

      }

      prime.push_back(i);

      for(LL j=i;j<=n; j+=i){

        if(f[j]==0){

          f[j] = i;

        }

      }

    }

  }

  bool isPrime(LL x){

    if(x<=1){

      return false;

    }

    return (f[x]==x);

  }

  VLL factorList(LL x){

    VLL res;

    if( x>=2 and x<=n){

      while( x!=1){

        res.push_back(f[x]);

        x /=f[x];

      }

    }

    return res;

  }

  vector<pair<LL,LL>> factor(LL x){

    VLL factors = factorList(x);

    vector<pair<LL,LL>> P;

    if(factors.size()==0){

      return P;

    }

    P.emplace_back(factors[0],0);

    for(auto p : factors){

      if(P.back().first==p){

        P.back().second++;

      }else{

        P.emplace_back(p,1);

      }

    }

    return P;

  }

};



template< typename T >

struct edge {

  int src, to;

  T cost;

  edge(int to, T cost) : src(-1), to(to), cost(cost) {}

  edge(int src, int to, T cost) : src(src), to(to), cost(cost) {}

  edge &operator=(const int &x) {

    to = x;

    return *this;

  }



  operator int() const { return to; }

};

template< typename T >

using Edges = vector< edge< T > >;

template< typename T >

using WeightedGraph = vector< Edges< T > >;

using UnWeightedGraph = vector< vector< int > >;

template< typename T >

using Matrix = vector< vector< T > >;



template< typename T >

void warshall_floyd(Matrix< T > &g, T INF) {

  for(int k = 0; k < g.size(); k++) {

    for(int i = 0; i < g.size(); i++) {

      for(int j = 0; j < g.size(); j++) {

        if(g[i][k] == INF || g[k][j] == INF) continue;

        g[i][j] = min(g[i][j], g[i][k] + g[k][j]);

      }

    }

  }

}



template< typename T >

T kruskal(Edges< T > &edges, LL V) {

  sort(begin(edges), end(edges), [](const edge< T > &a, const edge< T > &b) {

    return (a.cost < b.cost);

  });

  UnionFindTree tree(V);

  T ret = 0;

  for(auto &e : edges) {

    if(tree.unite(e.src, e.to)) ret += e.cost;

  }

  return (ret);

}









bool isOK(LL mid)

{

  return true; 

}

// 汎用的な二分探索のテンプレ

LL binary_search() {

  LL ng = 0 ;

  LL ok = 100000;



  /* ok と ng のどちらが大きいかわからないことを考慮 */

  while (abs(ok - ng) > 1) {

      LL mid = (ok + ng) / 2;



      if (isOK(mid)) ok = mid;

      else ng = mid;

  }

  return ok;

}



LL powll(LL a,LL b){

  LL c = 1LL;

  REP(i,b){

    c *= a;

  }

  return c;

}



LL knapsack(vector<LL> v,vector<LL> w,LL W) {

  LL N = (LL)v.size();

  vector<LL> dp(W+1,0);

  for (LL i=0; i<N; ++i){

    for (LL j=w[i]; j<=W; ++j){

      dp[j] = max(dp[j], dp[j-w[i]] + v[i]);

    }

  }



  return dp[W];

}





#if 0 



LL H,W;

VVLL M;

VVLL V;

LL sx;

LL sy;

LL gx;

LL gy;



void MeiroDFS(LL y,LL x){



  if(V[y][x]==1){

    return;

  }

  V[y][x]=1;



  if(y>0 and M[y-1][x]==0){

    dfs(y-1,x);

  }

  if(x>0 and M[y][x-1]==0){

    dfs(y,x-1);

  }

  if(y+1<H and M[y+1][x]==0){

    dfs(y+1,x);

  }

  if(x+1<W and M[y][x+1]==0){

    dfs(y,x+1);

  }



}



LL H,W;

VVLL M;

VVLL V;

LL sx;

LL sy;

LL gx;

LL gy;

void MeiroBFS(LL y,LL x){



  queue<tuple<LL,LL,LL>> Q;

  Q.emplace(y,x,0);

  V[y][x]=0;



  LL cnt=0;

  while(not Q.empty()){

    tuple<LL,LL,LL> q = Q.front();

    Q.pop();

    y = get<0>(q);

    x = get<1>(q);

    cnt = get<2>(q);

    if(y>0 and M[y-1][x]==0 and V[y-1][x]==-1){

      V[y-1][x]=cnt+1;

      Q.emplace(y-1,x,cnt+1);

    }

    if(x>0 and M[y][x-1]==0 and V[y][x-1]==-1){

      V[y][x-1]=cnt+1;

      Q.emplace(y,x-1,cnt+1);

    }

    if(y+1<H and M[y+1][x]==0 and V[y+1][x]==-1){

      V[y+1][x]=cnt+1;

      Q.emplace(y+1,x,cnt+1);

    }

    if(x+1<W and M[y][x+1]==0 and V[y][x+1]==-1){

      V[y][x+1]=cnt+1;

      Q.emplace(y,x+1,cnt+1);

    }

  }







}

#endif



template <typename T> vector<T> dijkstra(WeightedGraph<T> &g, int s)

{

  const auto INF = numeric_limits<T>::max();

  vector<T> dist(g.size(), INF);



  using Pi = pair<T, int>;

  priority_queue<Pi, vector<Pi>, greater<Pi>> que;

  dist[s] = 0;

  que.emplace(dist[s], s);

  while(!que.empty()) {

    T cost;

    int idx;

    tie(cost, idx) = que.top();

    que.pop();

    if(dist[idx] < cost)

      continue;

    for(auto &e : g[idx]) {

      auto next_cost = cost + e.cost;

      if(dist[e.to] <= next_cost)

        continue;

      dist[e.to] = next_cost;

      que.emplace(dist[e.to], e.to);

    }

  }

  return dist;

}



template <typename T> struct BinaryIndexedTree {

  vector<T> data;



  BinaryIndexedTree(int sz = 10) { data.assign(++sz, 0); }



  T sum(int k)

  {

    T ret = 0;

    for(++k; k > 0; k -= k & -k)

      ret += data[k];

    return (ret);

  }



  void add(int k, T x)

  {

    for(++k; k < data.size(); k += k & -k)

      data[k] += x;

  }

  void resize(int sz) { data.assign(++sz, 0); }

};



LL Combination(LL a, LL b)

{

  chmin(b, a - b);

  if(b < 0)

    return 0;

  LL c = 1;

  REP(i, b) c *= a - i;

  REP(i, b) c /= i + 1;

  return c;

}



struct IntegralImage{

  VVLL I; 

  LL H;

  LL W;

  IntegralImage(VVLL M){

    I = M;

    H = M.size();

    W = M[0].size();

    // check

    bool isOK=true;

    REP(i,H){

      if((LL)I[i].size()!=W){

        isOK=false;

      }

    }

    if(not isOK){

      cerr << "shape error :";

      REP(i,H){

        cerr << I[i].size() << " ";

      }

      cerr << endl;

      throw 0;

    }



    REP(i,H){

      REP(j,W-1){

        I[i][j+1] += I[i][j];

      }

    }

    REP(j,W){

      REP(i,H-1){

        I[i+1][j] += I[i][j];

      }

    }

  }

  LL get_sum( LL y, LL h, LL x, LL w){

    if(y<0 or x<0 or h<0 or w<0 or y+h>=H or x+w>=W){

      fprintf(stderr,"H=%lld, W=%lld, y=%lld, h=%lld, x=%lld, w=%lld\n",H,W,y,h,x,w);

      throw 1;

    }

    LL a1 = I[y+h][x+w];

    LL a2 = 0;

    if(y>0){

      a2 = I[y-1][x+w];

    }            

    LL a3 = 0;

    if(x>0){

      a3 = I[y+h][x-1];

    }            

    LL a4 = 0;

    if(y>0 && x>0){

      a4 = I[y-1][x-1];

    }

    return (a1 + a4 - a2 -a3);

  }

    LL get_sum2( LL y0, LL y1, LL x0, LL x1){

      if(y0>y1){

        swap(y0,y1);

      }

      if(x0>x1){

        swap(x0,x1);

      }

    return get_sum(y0,y1-y0 ,x0,x1-x0);

  }

  void print( ){

    REP(i,(LL)I.size()){

      PRINTSP(I[i]);

    }  

  }

};



bool isKaibun(string S){

  bool ok = true;

  LL N = (LL)S.length();

  REP(i,N){

    if(S[i]!=S[N-i-1]){

      ok = false;

      break;

    }

  }

  return ok;

}



tuple<VLL,VLL,VLL> my_dycstra(VVVLL &R,LL start, LL MOD = 0)

{

  LL N = R.size();

  LL INFINF = 1e15;

  priority_queue<VLL, VVLL, greater<VLL>> Q;

  VLL Cost(N, INFINF);

  VLL Path(N, -1);

  VLL Num(N, 0);

  Cost[start] = 0;

  Num[start] = 1;

  Q.push({0,start});

  while(!Q.empty()) {

    VLL q = Q.top();

    Q.pop();

    LL cost = q[0];

    LL from = q[1];



    if (Cost[from] < cost){continue;}

    //dump(from,cost);

    for(auto r : R[from]) {

      LL to = r[0];

      LL cost_to = r[1];

      //dump(to,cost_to);

      

      if(chmin(Cost[to], (cost + cost_to))) {

        Q.push({cost + cost_to, to});

        Path[to] = from;

        Num[to] = Num[from];

      }

      else if(Cost[to] == (cost + cost_to)){

        Num[to] += Num[from];

        if(MOD!=0){

          Num[to] %= MOD;

        }

      }

    }

  }

  // dump(C);

  return move(make_tuple(Cost,Path,Num));

}



VLL haba_yuusen_kyori(VVLL &V, LL n ){

  LL N = V.size();

  VLL D(N,-1);

  queue<pair<LL,LL>> Q;

  Q.push({n,0});

  while(!Q.empty()){

    auto q = Q.front();

    Q.pop();

    LL no = q.first;

    LL d  = q.second;

    D[no] = d;

    for(auto v : V[no]){

      if(D[v]!=-1){

        continue;

      }

      D[v] = d+1;

      Q.push({v,d+1});

    }    

  }

  return move(D);  

}  



struct SegmentTree{

  VLL D;

  LL N;

  LL DEFAULT;

  string mode;



  void init(LL N,string mode = "min"){

    this->mode = mode;

    if(mode=="min"){

      DEFAULT = LONG_LONG_MAX;

    }

    else if(mode=="max"){

      DEFAULT = LONG_LONG_MIN;

    }

    else if(mode=="sum"){

      DEFAULT = 0LL;

    }

    else{

      this->mode="min";

      DEFAULT = LONG_LONG_MAX;

    }

    //this->N=N;

    LL K=1;

    while(K<N){

      K*=2;

    }

    this->N = K;

    this->D.resize(2*this->N,DEFAULT);

    dump(D.size());

  }

  SegmentTree(LL N,string mode = "min"){

    init(N,mode);      

  }

  SegmentTree(VLL &A,string mode = "min"){

    LL N = A.size();

    this->init(N,mode);

    dump(D.size());

    REP(i,N){

      dump(i,A[i]);

      set(i,A[i]);

    }

    dump(N);

    build();

  }

  void set(LL i, LL x){

    D[i+N] = x;

  }

  void build(){

    for(LL i=N-1;i>0;i--){

      if(mode=="min"){

        D[i] = min({D[2*i],D[2*i+1]});

      }

      else if(mode=="max"){

        D[i] = max({D[2*i],D[2*i+1]});

      }

      else if(mode=="sum"){

        D[i] = D[2*i]+D[2*i+1];

      }

    }

  }

  void update(LL i, LL x){

    D[i+N] = x;

    LL j = i+N;

    while(j>1){

      LL k = j/2;

      if(mode=="min"){

        chmin(D[k],D[j]);

      }

      else if(mode=="max"){

        chmax(D[k],D[j]);

      }

      else if(mode=="sum"){

        D[k] += D[j];

      }

      j=k;

    }    

  }

  void print(){

    dump(D);

    REPM(i,2*N,1){

      cerr << D[i] << " ";

      if(__builtin_popcountll(i+1)==1){

        cerr << endl;

      }

    }

  }

  LL query(LL a ,LL b, LL k=1, LL l=0 ,LL r=-1){

    if(r==-1){

      r = N;

    }

    if(b<=l || r <= a ){ return DEFAULT;}

    if(a<=l && r <= b ){ return D[k];}

    LL vl = query(a,b, 2*k  , l ,(l+r)/2);

    LL vr = query(a,b, 2*k+1, (l+r)/2,r);

    //dump(vl,vr);

    if(mode=="min"){

      return min({vl,vr});    

    }

    else if(mode=="max"){

      return max({vl,vr});    

    }

    else if(mode=="sum"){

      return vl+vr;    

    }

  }

};



void oira_tua(LL me, LL oya,VVLL &T,VLL &IO){

  IO.push_back(me);

  dump(me,oya);

  for(LL i=0;i<(LL)T[me].size();i++){

    LL ko = T[me][i];

    if(ko==oya){

      continue;

    }

    oira_tua(ko,me, T,IO);

    IO.push_back(me);

  }

}

VVLL cinvll2(LL H,LL W,LL bias = 0){

  VVLL A = zerosll(H,W);

  REP(i,H){

    REP(j,W){

      cin >> A[i][j];

      A[i][j] += bias;

    }

  }

  return move(A);

}    



void print(vector<priority_queue<LL>> P){



  REP(i,P.size()){

    auto p = P[i];

    cerr <<i << " : ";

    while(!p.empty()){

      LL f = p.top(); p.pop();

      cerr << f <<" ";

    }

    cerr << endl;

  }

} 

void print(vector<multiset<LL,greater<LL>>> P){



  REP(i,P.size()){

    auto p = P[i];

    cerr <<i << " : ";

    for(auto f: p){

      cerr << f <<" ";

    }

    cerr << endl;

  }

} 



void print(vector<map<LL,LL,greater<LL>>> P){



  REP(i,P.size()){

    auto p = P[i];

    cerr <<i << " : ";

    for(auto f: p){

      cerr << f <<" ";

    }

    cerr << endl;

  }

} 





tuple<LD,LD,LD> point2line(LD y1,LD x1,LD y2,LD x2){

  LD A = y1-y2;

  LD B = x2-x1;

  LD C = -A*x1-B*y1;

  return make_tuple(A,B,C);

}

LD dist_point_line(LD y1,LD x1,LD A,LD B,LD C){

  return abs(A*x1+B*y1+C)/sqrtl(A*A+B*B);

}



string rec(LL n,LL k, VLL &C){

  if(k==0){

    if(n==0){

      return "A";

    }

    if(n==1){

      return "B";

    }    

    return "C";

  }



  if(n==0){

    return "A";

  }

  n -=1;

  if(n>=0 and n<C[k-1]){

    return rec(n,k-1,C);

  }

  n -= C[k-1];

  if(n==0){

    return "B";

  }

  n -=1;

  if(n>=0 and n<C[k-1]){

    return rec(n,k-1,C);

  }

  n -= C[k-1];

  if(n==0){

    return "C";

  }

  dump("error");

  return "-";

}





VLL permute(VLL src, VLL idx){

  VLL dst(src.size());

  REP(i,src.size()){

    dst[i] = src[idx[i]];

  }

  return move(dst);

}





bool isOK(LL b,VLL &Futosa, VLL &Price,LL K,LL N,LL Yosan){

  auto it = lower_bound(ALL(Futosa),b);

  LL index = distance(Futosa.begin(),it);

  dump(b,index);

  dump(Futosa);

  if(N-index<K){

    dump("tariai",N,index,K);

    return false;

  }



  VLL Z;

  REPM(i,N,index){

    Z.push_back(Price[i]);

  }

  sort(ALL(Z));

  LL cnt=0;

  REP(i,K){

    cnt += Z[i];

  }

  if(cnt <= Yosan){

   dump("OK",N,b,index,K,cnt,Yosan);

    return true;

  }

  dump("over",N,index,K,cnt,Yosan);

  return false;

}







void dfs(LL me, LL oya, VVVLL &T,VLL &C){



  for(auto t : T[me]){

    LL ko = t[0];

    LL w = t[1];

    if(ko==oya){continue;}

    if(w%2==0){

      C[ko] = C[me];

      dump(me, ":", ko,w,"same");

    }

    else{

      C[ko] = 1-C[me];

      dump(me, ":", ko,w,"diff");

    }

    dfs(ko,me,T,C);    

  }

}





tuple<VLD,VLL,VLL> my_dycstra_v1(vector<vector<pair<LL,LD>>> &R,LL start, LL MOD = 0)

{

  LL N = R.size();

  LL INFINF = 1e15;

  using PQ = pair<LD,LL>;

  priority_queue<PQ, vector<PQ>, greater<PQ>> Q;

  VLD Cost(N, INFINF);

  VLL Path(N, -1);

  VLL Num(N, 0);

  Cost[start] = 0;

  Num[start] = 1;

  Q.push({0,start});

  LL cnt=0;

  while(!Q.empty()) {

    //dump(Q.size());

    PQ q = Q.top();

    Q.pop();

    LD cost = q.first;

    LL from = q.second;



    if (Cost[from] < cost){continue;}



    //dump(from,cost);

    for(auto r : R[from]) {

      cnt++;

      LL to = r.first;

      LD cost_to = r.second;

      //dump(to,cost_to);

      

      if(chmin(Cost[to], (cost + cost_to))) {

        Q.push({cost + cost_to, to});

        Path[to] = from;

        Num[to] = Num[from];

      }

      else if(Cost[to] == (cost + cost_to)){

        Num[to] += Num[from];

        if(MOD!=0){

          Num[to] %= MOD;

        }

      }

    }

  }

  dump(cnt);

  // dump(C);

  return move(make_tuple(Cost,Path,Num));

}





LL H,W ;

LL axis2id(LL y,LL x){

  return W*y+x;

}

LL id2x(LL id){

  return id%W;

}

LL id2y(LL id){

  return id/W;

}



VVVLL makeR(VVLL &M){

  LL N = H*W;

  VVVLL R(N);

  REP(i,H){

    REP(j,W){

      LL a = axis2id(i,j);

      if(i-1>=0){        

        LL b = axis2id(i-1,j);

        LL c = M[i-1][j];

        R[a].push_back({b,c});

      }

      if(j-1>=0){

        LL b = axis2id(i,j-1);

        LL c = M[i][j-1];

        R[a].push_back({b,c});

      }

      if(i+1<H){

        LL b = axis2id(i+1,j);

        LL c = M[i+1][j];

        R[a].push_back({b,c});

      }

      if(j+1<W){

        LL b = axis2id(i,j+1);

        LL c = M[i][j+1];

        R[a].push_back({b,c});

      }      

    }

  }

  return move(R);

}



VLL getP(LL id, VLL &Path){

  VLL P;

  LL p=id;

  while(p!=-1){

    P.push_back(p);

    p = Path[p];

  }

  move(P);

}



vector<tuple<LD,LL,LL>> makeT(VVLL LS){

  LL NM = LS.size();

  vector<tuple<LD,LL,LL>> T;

  REP(i,NM-1){

    LD xi = LS[i][0];

    LD yi = LS[i][1];

    LD ci = LS[i][2];

    REPM(j,NM,i+1){

      LD xj = LS[j][0];

      LD yj = LS[j][1];

      LD cj = LS[j][2];

      LD dist = sqrtl((xi-xj)*(xi-xj) + (yi-yj)*(yi-yj));

      if(ci!=cj){

        dist*=10;

      }

      T.emplace_back(dist,i,j);

    }

  }

  sort(ALL(T));

  return move(T);

}





bool isOK(LD x ,VVLL &X){

  LL N = X.size();

  VLD Y(N);

  REP(i,N){

    LD a = X[i][0];

    LD b = X[i][1];

    Y[i] = b-x*a;

  }

  auto index = arg_sort(Y,false);

  LD cnt = 0;

  LD A=0;

  LD B=0;

  REP(i,5){

    LD a = X[index[i]][0];

    LD b = X[index[i]][1];

    //dump(index[i],Y[index[i]]);



    A += a;

    B += b;

  }

  LD score = B/A;

  //dump(score);

  if(score>=x){

    return true;

  }

  return false;

}

LD makedp(VVLL &ABCD){

  LD ng = 1+1e16;

  LD ok = 0.0;



  /* ok と ng のどちらが大きいかわからないことを考慮 */

  while(abs(ok - ng) > 1e-10) {

    LD mid = (ok + ng) / 2.0;



    if(isOK(mid, ABCD)) {

     // dump(mid,"OK");

      ok = mid;

    }

    else {

      dump(mid,"NG");

      ng = mid;

    }

  }

  dump(ok);

  return ok;

}



void dfs(LL me , LL oya, VVLL &A ,VLL &C){



  for(auto ko : A[me]){

    if(ko==oya){

      continue;

    }

    C[ko] += C[me];

    dfs(ko,me,A,C);

  }

}



void func(){

  LL N,Q;

  cin >> N>>Q;

  VVLL A(N);

  REP(i,N-1){

    LL a,b;

    cin >>a >>b;

    a--;b--;

    A[a].push_back(b);

    A[b].push_back(a);

  }

  VLL C(N);

  REP(i,Q){

    LL p,x;

    cin >> p>>x;

    p--;

    C[p]+=x;

  }

  dfs(0,-1,A,C);

  for(auto c : C){

    cout << c <<" ";

  }

  cout << endl;

}



int main()

{

  func();

  return 0;

}