#[allow(unused_imports)]
use std::cmp::{max, min};
#[allow(unused_imports)]
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, VecDeque};
#[allow(unused_imports)]
use std::fs::File;
#[allow(unused_imports)]
use std::io::prelude::*;
#[allow(unused_imports)]
use std::io::{stdin, stdout, BufReader, BufWriter, Stdin, Stdout, Write};
#[allow(unused_imports)]
use std::mem::swap;
#[allow(unused_imports)]
use std::str::FromStr;
 
type BoxResult<T> = Result<T, Box<std::error::Error>>;
 

fn main() {
    let mut scanner = Scanner::new(stdin());
    let param = scanner.read_vector::<usize>().unwrap();
    let (n, q) = (param[0], param[1]);
    let mut adj = vec![vec![]; n];
    for _ in 0..(n - 1) {
        let line = scanner.read_vector::<usize>().unwrap();
        let (a, b) = (line[0] - 1, line[1] - 1);
        adj[a].push(b);
        adj[b].push(a);
    }
    let mut query = vec![0; n];
    for _ in 0..q {
        let line = scanner.read_vector::<usize>().unwrap();
        let (p, x) = (line[0] - 1, line[1]);
        query[p] += x;
    }
    let (arr, parents) = bfs(n, &adj);
    let mut ans = vec![0; n];
    ans[0] = query[0];
    for i in 1..n {
        ans[arr[i]] = ans[parents[arr[i]]];
        ans[arr[i]] += query[arr[i]];
    }
    for i in 0..n {
        if i < n - 1 {
            print!("{} ", ans[i]);
        } else {
            println!("{}", ans[i]);
        }
    }
}

fn bfs(n: usize, adj: &[Vec<usize>]) -> (Vec<usize>, Vec<usize>) {
    let mut arr = vec![];
    let mut parents = vec![0; n];
    let mut used = vec![false; n];
    let mut queue = VecDeque::new();
    queue.push_front((0, 0));
    used[0] = true;
    while queue.len() > 0 {
        let (crt, par) = queue.pop_back().unwrap();
        arr.push(crt);
        parents[crt] = par;
        for &nxt in adj[crt].iter() {
            if used[nxt] {
                continue;
            }
            queue.push_front((nxt, crt));
            used[nxt] = true;
        }
    }
    (arr, parents)
}

 
#[allow(dead_code)]
struct Scanner<R> {
    reader: BufReader<R>,
    buffer: String,
}
 
impl<R> Scanner<R>
where
    R: Read,
{
    #[allow(dead_code)]
    fn new(inner: R) -> Scanner<R> {
        let reader = BufReader::new(inner);
        let buffer = String::new();
        Scanner {
            reader: reader,
            buffer: buffer,
        }
    }
 
    #[allow(dead_code)]
    fn with_capacity(capacity: usize, inner: R) -> Scanner<R> {
        let reader = BufReader::with_capacity(capacity, inner);
        let buffer = String::new();
        Scanner {
            reader: reader,
            buffer: buffer,
        }
    }

    #[allow(dead_code)]
    fn read_line(&mut self) -> BoxResult<String> {
        self.reader.read_line(&mut self.buffer)?;
        let cloned = self.buffer.clone();
        self.buffer.clear();
        Ok(cloned)
    }

    #[allow(dead_code)]
    fn read<T>(&mut self) -> BoxResult<T>
    where
        T: FromStr,
        T::Err: std::fmt::Debug,
        T::Err: std::error::Error,
        T::Err: 'static,
    {
        self.reader.read_line(&mut self.buffer)?;
        let parsed = self.buffer.trim().parse()?;
        self.buffer.clear();
        Ok(parsed)
    }
 
    #[allow(dead_code)]
    fn read_vector<T>(&mut self) -> BoxResult<Vec<T>>
    where
        T: FromStr,
        T::Err: std::fmt::Debug,
        T::Err: std::error::Error,
        T::Err: 'static,
    {
        self.reader.read_line(&mut self.buffer)?;
        let parsed_vec = self
            .buffer
            .trim()
            .split_whitespace()
            .map(|s| s.parse())
            .collect::<Result<Vec<_>, _>>()?;
        self.buffer.clear();
        Ok(parsed_vec)
    }
 
    #[allow(dead_code)]
    fn read_matrix<T>(&mut self, lines: usize) -> BoxResult<Vec<Vec<T>>>
    where
        T: FromStr,
        T::Err: std::fmt::Debug,
        T::Err: std::error::Error,
        T::Err: 'static,
    {
        let mut parsed_matrix = vec![];
        for _ in 0..lines {
            self.reader.read_line(&mut self.buffer)?;
            parsed_matrix.push(
                self.buffer
                    .trim()
                    .split_whitespace()
                    .map(|s| s.parse())
                    .collect::<Result<Vec<_>, _>>()?,
            );
            self.buffer.clear();
        }
        Ok(parsed_matrix)
    }
 
    #[allow(dead_code)]
    fn read_chars(&mut self) -> BoxResult<Vec<char>> {
        self.reader.read_line(&mut self.buffer)?;
        let chars = self.buffer.trim().chars().collect::<Vec<_>>();
        self.buffer.clear();
        Ok(chars)
    }
}

Measured memory_bytes: 28924