///বিসমিল্লাহির_রহমানির_রহীম
#include<bits/stdc++.h>
#define     pie                          acos(-1.0)
#define     N                            2000015
#define     eps                          1e-9
#define     ff                           first
#define     ss                           second
#define     nl                           '\n'
#define     mod                          1000000007
#define     sp                           ' '
#define     CLR(a)                       memset(a,0,sizeof(a))
#define     SET(a)                       memset(a,-1,sizeof(a))
#define     all(x)                       x.begin(),x.end()
#define     allr(x)                      x.rbegin(),x.rend()
#define     sz(x)                        (int)(x).size()
#define     Fast_Read                    ios_base::sync_with_stdio(false); cin.tie(nullptr);  cout.tie(nullptr);
#define     Precision(x)                 cout.setf(ios::fixed); cout.precision(x);
#define     bug                          cout<<"debug"<<nl;
using namespace std;
int dx[]={0,0,1,-1,-1,-1,1,1};
int dy[]={1,-1,0,0,-1,1,1,-1};
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
template < class T> inline T biton(T n,T pos){return n |((T)1<<pos);}
template < class T> inline T bitoff(T n,T pos){return n & ~((T)1<<pos);}
template < class T> inline T ison(T n,T pos){return (bool)(n & ((T)1<<pos));}
template < class T> inline T gcd(T a, T b){while(b){a%=b;swap(a,b);}return a;}
inline int nxt(){int aaa;scanf("%d",&aaa);return aaa;}
inline ll lxt(){ll aaa;scanf("%lld",&aaa);return aaa;}
inline double dxt(){double aaa;scanf("%lf",&aaa);return aaa;}
#ifdef obaydullah
     #define debug(...) __f(#__VA_ARGS__, __VA_ARGS__)
    template < typename Arg1 >
    void __f(const char* name, Arg1&& arg1){
        cerr << name << " is " << arg1 << std::endl;
    }
    template < typename Arg1, typename... Args>
    void __f(const char* names, Arg1&& arg1, Args&&... args){
        const char* comma = strchr(names+1, ',');
        cerr.write(names, comma - names) << " is " << arg1 <<" | ";
        __f(comma+1, args...);
    }
#else
    #define debug(...)
#endif
///******************************************START******************************************
vector<ll > adj[200005];
vector<ll> dis(200005,0);
void bfs(ll n){
    queue< ll > q;
    vector<int> vis(n+1,0);
    q.push(1);
    vis[1]=1;
    while(sz(q)){
        ll u = q.front();
        q.pop();
        debug(u);
        for(int i=0;i<adj[u].size();i++){
            ll v=adj[u][i];
            if(vis[v]==1) continue;
            dis[v]+=dis[u];
            vis[v]=1;
            q.push(v);
        }
    }
}
void solve(){
    ll n=nxt(),q=nxt();
    //adj.resize(n+1);
    //dis.resize(n+1,0);
    for(int i=1;i<n;i++){
        ll u=lxt(),v=lxt();
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    while(q--){
        ll u=lxt(),value=lxt();
        dis[u]+=value;
    }
    bfs(n);
    for(int i=1;i<=n;i++){
        if(i==n) printf("%lld\n",dis[i]);
        else printf("%lld ",dis[i]);
    }

}
int main(){
    //Fast_Read
    Precision(10)
    #ifdef obaydullah
        double start_time = clock();
        ///freopen ("output.txt","w",stdout);
        ///freopen ("input.txt","r",stdin);
    #endif
    int tc=1;
    ///cin>>tc;
    while(tc--){
      solve();
    }
    #ifdef obaydullah
        double end_time = clock();
        cerr<<"Time = "<<fixed<<setprecision(10)<<(end_time - start_time) / CLOCKS_PER_SEC<<'\n';
    #endif

    return 0;
}


Measured memory_bytes: 17136