import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Queue;
import java.util.StringTokenizer;
import java.util.function.BiFunction;

public class Main {

    static BiFunction<Integer, Integer, Integer> ADD = (x, y) -> (x + y);
    static ArrayList<Integer>[] g;
    static boolean[] visited;
    static int[] parent;
    static long[] data;

    public static void main(String[] args) throws Exception {
        long startTime = System.nanoTime();
        int t = 1;
        while (t-- > 0) {
            solve();
        }
        long endTime = System.nanoTime();
        err.println("Execution Time : +" + (endTime - startTime) / 1000000 + " ms");
        exit(0);
    }

    static void solve() {
        int N = in.nextInt();
        int Q = in.nextInt();
        g = graph(N + 5);
        parent = new int[N + 5];
        data = new long[N + 5];
        visited = new boolean[N + 5];
        for (int i = 1; i < N; i++) {
            int a = in.nextInt();
            int b = in.nextInt();
            g[a].add(b);
            g[b].add(a);
        }
        for (int i = 0; i < Q; i++) {
            int p = in.nextInt();
            int x = in.nextInt();
            data[p] += x;
        }
        BFS(1);
        for (int i = 1; i <= N; i++) {
            out.print(data[i] + " ");
        }
        out.println("");
    }

    static void BFS(int s) {
        Queue<Integer> Q = new ArrayDeque<>();
        Q.add(s);
        visited[s] = true;
        parent[s] = -1;
        while (!Q.isEmpty()) {
            int v = Q.poll();
            for (int u : g[v]) {
                if (!visited[u]) {
                    parent[u] = v;
                    visited[u] = true;
                    data[u] += data[v];
                    Q.add(u);
                }
            }
        }
    }

    static ArrayList<Integer>[] graph(int n) {
        ArrayList<Integer>[] g = new ArrayList[n];
        for (int i = 0; i < n; i++) {
            g[i] = new ArrayList<>();
        }
        return g;
    }

    static void debug(Object... args) {
        for (Object a : args) {
            out.println(a);
        }
    }

    static void y() {
        out.println("YES");
    }

    static void n() {
        out.println("NO");
    }

    static class InputReader {
        public BufferedReader reader;
        public StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

        public String next() {
            while (tokenizer == null || !tokenizer.hasMoreTokens()) {
                try {
                    tokenizer = new StringTokenizer(reader.readLine());
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            return tokenizer.nextToken();
        }

        public long nextLong() {
            return Long.parseLong(next());
        }

        public int nextInt() {
            return Integer.parseInt(next());
        }

        public int[] readAllInts(int n) {
            int[] p = new int[n];
            for (int i = 0; i < n; i++) {
                p[i] = in.nextInt();
            }
            return p;
        }

        public int[] readAllInts(int n, int s) {
            int[] p = new int[n + s];
            for (int i = s; i < n + s; i++) {
                p[i] = in.nextInt();
            }
            return p;
        }

        public long[] readAllLongs(int n) {
            long[] p = new long[n];
            for (int i = 0; i < n; i++) {
                p[i] = in.nextInt();
            }
            return p;
        }

        public long[] readAllLongs(int n, int s) {
            long[] p = new long[n + s];
            for (int i = s; i < n + s; i++) {
                p[i] = in.nextInt();
            }
            return p;
        }

        public double nextDouble() {
            return Double.parseDouble(next());
        }
    }

    static void exit(int a) {
        out.close();
        err.close();
        System.exit(a);
    }

    static InputStream inputStream = System.in;
    static OutputStream outputStream = System.out;
    static OutputStream errStream = System.err;
    static InputReader in = new InputReader(inputStream);
    static PrintWriter out = new PrintWriter(outputStream);
    static PrintWriter err = new PrintWriter(errStream);
    static BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

}


Measured memory_bytes: 110712