import sys
input = sys.stdin.readline


N,Q=map(int,input().split())
EDGE=[list(map(int,input().split())) for i in range(N-1)]
PLUS=[list(map(int,input().split())) for i in range(Q)]

SCORE=[0]*(N+1)
for p,x in PLUS:
    SCORE[p]+=x

ELIST=[[] for i in range(N+1)]

for x,y in EDGE:
    ELIST[x].append(y)
    ELIST[y].append(x)
#print(ELIST)

from collections import deque
Q=deque([1])

USED=[0]*(N+1)
USED[1]=1
#USED = [0, 1, 0, 0, 0] Ex1
#SCORE = [0, 100, 10, 1, 0] Ex1
#ELIST = [[], [2], [1, 3, 4], [2], [2]] Ex1

while Q:
    x=Q.pop()

    for to in ELIST[x]:
        if USED[to]==0:
            USED[to]=1
            SCORE[to]+=SCORE[x]
            Q.append(to)

print(*SCORE[1:])
