from collections import*
(n,m),*e=[[*map(int,s.split())]for s in open(0)]
uv,st=e[:-m],e[-m:]
c=defaultdict(int)
ns=set()
for s,t in st:
  s-=1;t-=1
  c[s,t]+=1
  ns.add((s,t))
ans=[0]
uf=[*range(n)]
def find(x):
 q=[]
 while uf[x]^x:q+=x,;x=uf[x]
 for p in q:uf[p]=x
 return x
def unite(x,y):
 x,y=find(x),find(y)
 if x^y:uf[x]=y
for i in range(n-1)[::-1]:
  u,v=e[i]
  unite(u-1,v-1)
  ans+=ans[-1],
  q=set()
  for s,t in ns:
    if find(s)==find(t):
      q.add((s,t))
      ans[-1]+=c[s,t]
  ns-=q
print(*ans[:-1][::-1],sep='\n')