using AtCoderBeginnerContest138.Questions;
using AtCoderBeginnerContest138.Extensions;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

namespace AtCoderBeginnerContest138.Questions
{
    public class QuestionD : AtCoderQuestionBase
    {
        List<int>[] connectedNodes;
        int[] counts;

        public override IEnumerable<object> Solve(TextReader inputStream)
        {
            var nq = inputStream.ReadIntArray();
            var n = nq[0];
            var q = nq[1];

            connectedNodes = Enumerable.Range(0, n).Select(_ => new List<int>()).ToArray();
            counts = new int[n];

            for (int i = 0; i < n - 1; i++)
            {
                var ab = inputStream.ReadIntArray();
                var a = ab[0] - 1;
                var b = ab[1] - 1;
                connectedNodes[a].Add(b);
                connectedNodes[b].Add(a);
            }

            for (int i = 0; i < q; i++)
            {
                var px = inputStream.ReadIntArray();
                var p = px[0] - 1;
                var x = px[1];
                counts[p] += x;
            }

            IncrementCountsOfSubtree(0, -1);

            yield return string.Join(" ", counts);
        }


        void IncrementCountsOfSubtree(int root, int parent)
        {
            foreach (var child in connectedNodes[root])
            {
                if (child != parent)
                {
                    counts[child] += counts[root];
                    IncrementCountsOfSubtree(child, root);
                }
            }
        }
    }
}


namespace AtCoderBeginnerContest138
{
    class Program
    {
        static void Main(string[] args)
        {
            IAtCoderQuestion question = new QuestionD();    // 問題に合わせて書き換え
            var answers = question.Solve(Console.In);
            foreach (var answer in answers)
            {
                Console.WriteLine(answer);
            }
        }
    }
}

#region Base Classes

namespace AtCoderBeginnerContest138.Questions
{

    public interface IAtCoderQuestion
    {
        IEnumerable<object> Solve(string input);
        IEnumerable<object> Solve(TextReader inputStream);
    }

    public abstract class AtCoderQuestionBase : IAtCoderQuestion
    {
        public IEnumerable<object> Solve(string input)
        {
            var stream = new MemoryStream(Encoding.Unicode.GetBytes(input));
            var reader = new StreamReader(stream, Encoding.Unicode);

            return Solve(reader);
        }

        public abstract IEnumerable<object> Solve(TextReader inputStream);
    }

}

#endregion

#region Extensions

namespace AtCoderBeginnerContest138.Extensions
{
    internal static class TextReaderExtensions
    {
        internal static int ReadInt(this TextReader reader) => int.Parse(ReadString(reader));
        internal static long ReadLong(this TextReader reader) => long.Parse(ReadString(reader));
        internal static double ReadDouble(this TextReader reader) => double.Parse(ReadString(reader));
        internal static string ReadString(this TextReader reader) => reader.ReadLine();

        internal static int[] ReadIntArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(int.Parse).ToArray();
        internal static long[] ReadLongArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(long.Parse).ToArray();
        internal static double[] ReadDoubleArray(this TextReader reader, char separator = ' ') => ReadStringArray(reader, separator).Select(double.Parse).ToArray();
        internal static string[] ReadStringArray(this TextReader reader, char separator = ' ') => reader.ReadLine().Split(separator);
    }
}

#endregion

Measured memory_bytes: 72964