import sys
sys.setrecursionlimit(10 ** 6)
def input():
    return sys.stdin.readline()[:-1]

N,Q=map(int,input().split())
graph=[[]for _ in range(N)]
point=[0]*N
for _ in range(N-1):
    a,b=map(int,input().split())
    graph[a-1].append(b-1)
    graph[b-1].append(a-1)
for _ in range(Q):
    a,b=map(int,input().split())
    a=a-1
    point[a]=point[a]+b

def dfs(now,prev=-1):
    for next in graph[now]:
        if next==prev:
            continue
        point[next]=point[next]+point[now]
        dfs(next,now)
dfs(0)
print(*point)