#include <bits/stdc++.h>
using namespace std;
#ifndef ONLINE_JUDGE
	#include <boost/multiprecision/cpp_int.hpp>
	#include <boost/multiprecision/cpp_dec_float.hpp>
	using bll = boost::multiprecision::cpp_int;
	using bdouble = boost::multiprecision::cpp_dec_float_100;
#endif
#ifdef LOCAL_DEV
	void debug_impl() { std::cerr << std::endl; }
	template<typename Head, typename... Tail> void debug_impl(Head head, Tail... tail) { std::cerr << " " << head << (sizeof...(tail) ? "," : ""); debug_impl(tail...); }
	#define debug(...) std::cerr << std::boolalpha << "(" << #__VA_ARGS__ << ") ="; debug_impl(__VA_ARGS__); std::cerr << std::noboolalpha;
#else
	#define debug(...)
#endif
#ifdef LOCAL_TEST
	#define BOOST_STACKTRACE_USE_ADDR2LINE
	#define BOOST_STACKTRACE_ADDR2LINE_LOCATION /usr/local/opt/binutils/bin/addr2line
	#define _GNU_SOURCE
	#include <boost/stacktrace.hpp>
	template<typename T> class dvector : public std::vector<T> {
	public:
		dvector() : std::vector<T>() {}
		explicit dvector(size_t n, const T& value = T()) : std::vector<T>(n, value) {}
		dvector(const std::vector<T>& v) : std::vector<T>(v) {}
		dvector(const std::initializer_list<T> il) : std::vector<T>(il) {}
		dvector(const typename std::vector<T>::iterator first, const typename std::vector<T>::iterator last) : std::vector<T>(first, last) {}
		dvector(const std::string::iterator first, const std::string::iterator last) : std::vector<T>(first, last) {}
		T& operator[](size_t n) {
			try { return this->at(n); } catch (const std::exception& e) {
				std::cerr << boost::stacktrace::stacktrace() << std::endl; return this->at(n);
			}
		}
		const T& operator[](size_t n) const {
			try { return this->at(n); } catch (const std::exception& e) {
				std::cerr << boost::stacktrace::stacktrace() << std::endl; return this->at(n);
			}
		}
	};
	class dbool {
	private:
		bool boolvalue;
	public:
		dbool() : boolvalue(false) {}
		dbool(bool b) : boolvalue(b) {}
		dbool(const dbool &b) : boolvalue(b.boolvalue) {}
		operator bool&() { return boolvalue; }
		operator const bool&() const { return boolvalue; }
	};
	template<typename T> std::ostream& operator<<(std::ostream& s, const dvector<T>& v) {
		for (int i = 0, len = v.size(); i < len; ++i){ s << v[i]; if (i < len - 1) s << "\t"; } return s; }
	template<typename T> std::ostream& operator<<(std::ostream& s, const dvector< dvector<T> >& vv) {
		for (int i = 0, len = vv.size(); i < len; ++i){ s << vv[i] << std::endl; } return s; }
	template<typename T> std::ostream& operator<<(std::ostream& s, const std::set<T>& se) {
		s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr){ s << (*itr) << "\t"; } s << "}" << std::endl; return s; }
	template<typename T> std::ostream& operator<<(std::ostream& s, const std::multiset<T>& se) {
		s << "{ "; for (auto itr = se.begin(); itr != se.end(); ++itr){ s << (*itr) << "\t"; } s << "}" << std::endl; return s; }
	template<typename T1, typename T2> std::ostream& operator<<(std::ostream& s, const std::map<T1, T2>& m) {
		s << "{" << std::endl; for (auto itr = m.begin(); itr != m.end(); ++itr){ s << "\t" << (*itr).first << " : " << (*itr).second << std::endl; } s << "}" << std::endl; return s; }
	template<typename T1, typename T2> std::ostream& operator<<(std::ostream& s, const std::pair<T1, T2>& p) { 
		return s << "(" << p.first << ", " << p.second << ")"; }
	#define vector dvector
	#define bool dbool
#endif
//#define int long long
using ll = long long;
//constexpr int INF = 1e9;//INT_MAX=(1<<31)-1=2147483647
constexpr ll INF = (ll)1e18;//(1LL<<63)-1=9223372036854775807
constexpr ll MOD = (ll)1e9 + 7;
constexpr double EPS = 1e-9;
constexpr int dx[4]={1,0,-1,0};
constexpr int dy[4]={0,1,0,-1};
#define p(var) std::cout<<var<<std::endl
#define rep(i, n)   for(ll i=0, i##_length=(n); i< i##_length; ++i)
#define repeq(i, n) for(ll i=1, i##_length=(n); i<=i##_length; ++i)
#define all(v) (v).begin(), (v).end()
#define uniq(v) (v).erase(unique((v).begin(), (v).end()), (v).end());
template<typename T> inline void pv(vector<T> &v) { for(ll i=0, N=v.size(); i<N; i++) std::cout << v[i] << " \n"[i==N-1]; }
template<typename T> inline T gcd(T a, T b) { return b ? gcd(b,a%b) : a; }
template<typename T> inline T lcm(T a, T b) { return a / gcd(a,  b) * b; }
template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }

/*-----8<-----template-----8<-----*/

template< typename Monoid, typename OperatorMonoid = Monoid >
class LazySegmentTree {
public:
	using F = function< Monoid(Monoid, Monoid) >;
	using G = function< Monoid(Monoid, OperatorMonoid) >;
	using H = function< OperatorMonoid(OperatorMonoid, OperatorMonoid) >;

	ll sz, height;
	vector< Monoid > data;
	vector< OperatorMonoid > lazy;
	const F f;
	const G g;
	const H h;
	const Monoid M1;
	const OperatorMonoid OM0;

	LazySegmentTree(ll n, const F f, const G g, const H h,
									const Monoid &M1, const OperatorMonoid OM0)
			: f(f), g(g), h(h), M1(M1), OM0(OM0) {
		sz = 1;
		height = 0;
		while(sz < n) sz <<= 1, height++;
		data.assign(2 * sz, M1);
		lazy.assign(2 * sz, OM0);
	}

	void set(ll k, const Monoid &x) {
		data[k + sz] = x;
	}

	void build() {
		for(ll k = sz - 1; k > 0; k--) {
			data[k] = f(data[2 * k + 0], data[2 * k + 1]);
		}
	}

	inline void propagate(ll k) {
		if(lazy[k] != OM0) {
			lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
			lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
			data[k] = reflect(k);
			lazy[k] = OM0;
		}
	}

	inline Monoid reflect(ll k) {
		return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
	}

	inline void recalc(ll k) {
		while(k >>= 1) data[k] = f(reflect(2 * k + 0), reflect(2 * k + 1));
	}

	inline void thrust(ll k) {
		for(ll i = height; i > 0; i--) propagate(k >> i);
	}

	void update(ll a, ll b, const OperatorMonoid &x) {
		thrust(a += sz);
		thrust(b += sz - 1);
		for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
			if(l & 1) lazy[l] = h(lazy[l], x), ++l;
			if(r & 1) --r, lazy[r] = h(lazy[r], x);
		}
		recalc(a);
		recalc(b);
	}

	Monoid query(ll a, ll b) {
		thrust(a += sz);
		thrust(b += sz - 1);
		Monoid L = M1, R = M1;
		for(ll l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
			if(l & 1) L = f(L, reflect(l++));
			if(r & 1) R = f(reflect(--r), R);
		}
		return f(L, R);
	}

	Monoid operator[](const ll &k) {
		return query(k, k + 1);
	}

	template< typename C >
	ll find_subtree(ll a, const C &check, Monoid &M, bool type) {
		while(a < sz) {
			propagate(a);
			Monoid nxt = type ? f(reflect(2 * a + type), M) : f(M, reflect(2 * a + type));
			if(check(nxt)) a = 2 * a + type;
			else M = nxt, a = 2 * a + 1 - type;
		}
		return a - sz;
	}

	template< typename C >
	ll find_first(ll a, const C &check) {
		Monoid L = M1;
		if(a <= 0) {
			if(check(f(L, reflect(1)))) return find_subtree(1, check, L, false);
			return -1;
		}
		thrust(a + sz);
		ll b = sz;
		for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
			if(a & 1) {
				Monoid nxt = f(L, reflect(a));
				if(check(nxt)) return find_subtree(a, check, L, false);
				L = nxt;
				++a;
			}
		}
		return -1;
	}

	template< typename C >
	ll find_last(ll b, const C &check) {
		Monoid R = M1;
		if(b >= sz) {
			if(check(f(reflect(1), R))) return find_subtree(1, check, R, true);
			return -1;
		}
		thrust(b + sz - 1);
		ll a = sz;
		for(b += sz; a < b; a >>= 1, b >>= 1) {
			if(b & 1) {
				Monoid nxt = f(reflect(--b), R);
				if(check(nxt)) return find_subtree(b, check, R, true);
				R = nxt;
			}
		}
		return -1;
	}
};

////

class EulerTourForVertex{
public:
	vector<ll> leftindex, rightindex;
	vector<vector<ll>> g;
	ll pos;

	EulerTourForVertex() {}
	EulerTourForVertex(vector<vector<ll>> &g): leftindex(g.size()), rightindex(g.size()), g(g) {}
	EulerTourForVertex(ll n) : leftindex(n), rightindex(n), g(n) {}

	void dfs(ll v,ll p){
		leftindex[v]=pos++;
		for(ll nextv:g[v]){
			if(nextv==p) continue;
			dfs(nextv,v);
		}
		rightindex[v]=pos;
	}

	//u,v間に無向辺を追加
	void add_edge(ll u, ll v){
		g[u].emplace_back(v);
		g[v].emplace_back(u);
	}

	//オイラーツアー構築
	void build(ll v=0){
		pos=0;
		dfs(v,-1);
	}

	//オイラーツアー上での頂点vの始点indexを返す
	ll index(ll v){return leftindex[v];}

	//頂点vの行きがけ⇔帰りがけ区間(部分木)へ関数fを適用する
	//vの部分木に区間[leftindex[v], rightindex[v])が対応する
	template<typename F>
	void exec(ll v, F f){
		f(leftindex[v], rightindex[v]);
	}
};

/*-----8<-----library-----8<-----*/

//https://atcoder.jp/contests/abc138/tasks/abc138_d
signed main() {
	ll N, Q;
	cin>>N>>Q;
	vector<ll> a(N,0);
	vector<ll> b(N,0);
	vector<ll> q(Q,0);
	vector<ll> x(Q,0);
	rep(i, N-1)	cin>>a[i]>>b[i];
	rep(i, Q) cin>>q[i]>>x[i];

	EulerTourForVertex euler(N);
	for (ll i=0; i<N-1; i++) {
		ll from=a[i];
		ll to=b[i];
		from--;to--;
		euler.add_edge(from,to);
	}
	euler.build();

	auto addlambda=[](ll x,ll y){return x+y;};
	LazySegmentTree<ll> seg(euler.pos, addlambda, addlambda, addlambda, 0LL, 0LL);

	rep(i,Q){
		q[i]--;
		euler.exec(q[i], [&](ll l, ll r){
			seg.update(l, r, x[i]);
		});
	}

	vector<ll> ans(N,0);
	rep(i,N){
		ll index=euler.index(i);
		ll t=seg.query(index, index+1);
		ans[i]=t;
	}
	pv(ans);

	return 0;
}


Measured memory_bytes: 38016