class TreeNode:
    def __init__(self):
        self.val = 0
        self.vertex = []


def make_trees(n, A, B):
    trees = []
    for i in range(n):
        trees.append(TreeNode())
    for i in range(len(A)):
        a = A[i]-1
        b = B[i]-1
        trees[a].vertex.append(b)
    return trees

def dfs(node: TreeNode, carry: int, trees):
    if node:
        node.val += carry
        for i in node.vertex:
            dfs(trees[i], node.val, trees)

def dfs2(carry, i, trees, values):
    values[i] += carry
    for j in trees[i]:
        dfs2(values[i], j, trees, values)

def sol(n, q, A, B, P, X):
    trees = make_trees(n, A, B)
    for i in range(len(P)):
        p = P[i]-1
        x = X[i]
        t = trees[p]
        # dfs, give point x
        t.val += x
    # accmulative run
    dfs(trees[0], 0, trees)
    #
    return " ".join([str(t.val) for t in trees])
    #return n, q, A, B, P, X



do_submit = True
#do_submit = False

def input_parse(input_str):
    lines = [x.strip() for x in input_str.split("\n") if x.strip()]
    parsed_lines = [list(map(str, line.split())) for line in lines]
    print(parsed_lines)
    n = int(parsed_lines[0][0])
    q = int(parsed_lines[0][1])
    A = []
    B = []
    P = []
    X = []
    for i in range(1, n-1+1):
        a = int(parsed_lines[i][0])
        b = int(parsed_lines[i][1])
        A.append(a)
        B.append(b)
    for i in range(n, 1+n+q-1):
        p = int(parsed_lines[i][0])
        x = int(parsed_lines[i][1])
        P.append(p)
        X.append(x)

    # S = parsed_lines[1][0]
    # return n, k, S
    return n, q, A, B, P, X


if not do_submit:
    n, q, A, B, P, X = input_parse("""
    4 3
    1 2
    2 3
    2 4
    2 10
    1 100
    3 1
    """)
    print(sol(n, q, A, B, P, X))

    n, q, A, B, P, X = input_parse("""
        6 2
        1 2
        1 3
        2 4
        3 6
        2 5
        1 10
        1 10
    """)
    print(sol(n, q, A, B, P, X))

    n, q, A, B, P, X = input_parse("""
        10 5
        1 2
        1 3
        1 4
        2 5
        2 6
        3 7
        4 8
        4 9
        7 10
        7 3
        3 100
        1 2
        5 10
        4 11
    """)
    print(sol(n, q, A, B, P, X))

else:
    n, q = list(map(int, input().split()))
    trees =  [ [] for i in range(n) ]
    values = [ 0 for i in range(n) ]
    for i in range(n-1):
        a, b = list(map(int, input().split()))
        trees[a-1].append(b-1)
    for i in range(q):
        p, x = list(map(int, input().split()))
        # dfs, give point x
        values[p-1] = values[p-1] + x
    # accmulative run
    dfs2(0, 0, trees, values)
    #
    for x in values:
        print(x, end=" ")

### FIXED CODE ###

import sys
input = sys.stdin.readline
sys.setrecursionlimit(1000000)
n, q = map(int, input().split())
 
ki = [[] for i in range(n + 1)]
for i in range(n - 1):
    a, b = map(int, input().split())
    ki[a].append(b)
    ki[b].append(a)
# print(ki)
 
cnt = [0] * (n + 1)
for i in range(q):
    p, x = map(int, input().split())
    cnt[p] += x
 
 
# print(cnt)
 
 
def d(y, parent):
    for i in ki[y]:
        if i == parent:
            continue
        cnt[i] += cnt[y]
        d(i, y)
 
 
d(1, -1)
print(*cnt[1:])