Buggy python submission (verdict: Time Limit Exceeded):
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop(0)
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))


Fixed submission:
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop()
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))

Buggy python submission (verdict: Time Limit Exceeded):
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop(0)
  flag[v]=True
  cnt=ans[v]
  for i in lst[v]:
    if flag[i]:
      continue
    else:
      flag[i]=True
      ans[i]+=cnt
      Q.append(i)


print(' '.join([str(i) for i in ans]))

Fixed submission:
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop()
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))

Buggy python submission (verdict: Time Limit Exceeded):
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop(0)
  cnt=ans[v]
  for i in lst[v]:
    if flag[i]:
      continue
    else:
      flag[i]=True
      ans[i]+=cnt
      Q.append(i)

ans=[str(i) for i in ans]

print(' '.join(ans))

Fixed submission:
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop()
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))

Buggy python submission (verdict: Time Limit Exceeded):
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop(0)
  cnt=ans[v]
  for i in lst[v]:
    if flag[i]:
      continue
    else:
      flag[i]=True
      ans[i]+=cnt
      Q.append(i)

ans=[str(i) for i in ans]

print(' '.join(ans))

Fixed submission:
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop()
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))

Buggy python submission (verdict: Runtime Error):
n,q=map(int,input().split())
tree=[list(map(int,input().split())) for i in range(n-1)]
point=[list(map(int,input().split())) for i in range(q)]

ans=['?']+[0]*n

def dfs(x,y):
  ans[x]+=y
  for i in range(n-1):
    if tree[i][0]==x:
      dfs(tree[i][1],y)

for i,j in point:
  dfs(i,j)

ans2=''
for i in range(1,n+1):
  ans2+=str(ans[i])
  if i!=n:
    ans2+=' '

print(ans2)

Fixed submission:
n,q=map(int,input().split())
lst=[[] for i in range(n)]
ans=[0]*n

for i in range(n-1):
      a,b=map(int,input().split())
      lst[a-1].append(b-1)
      lst[b-1].append(a-1)

for i in range(q):
    s,t=map(int,input().split())
    ans[s-1]+=t

Q=[0]

flag=[True]+[False]*(n-1)


while Q:
  v=Q.pop()
  flag[v]=True
  for i in lst[v]:
    if flag[i]:
      continue
    flag[i]=True
    ans[i]+=ans[v]
    Q.append(i)


print(' '.join([str(i) for i in ans]))