#UnionFind木
class UnionFind():
  def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

  def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

  def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

  def same(self, x, y):
        return self.find(x) == self.find(y)

  def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

  def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

  def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

N, M = map(int, input().split())

A = [0]*M
B = [0]*M
for i in range(M):
  A[i],B[i] = map(int, input().split())
  A[i] -= 1
  B[i] -= 1

ans = []

A = A[::-1]
B = B[::-1]
uf = UnionFind(N)
total = N*(N-1)//2
ans.append(total)
for i in range(M):
  if uf.same(A[i],B[i]):
    ans.append(total)
    continue
  m = abs(uf.parents[uf.find(A[i])])
  n = abs(uf.parents[uf.find(B[i])])
  #print(uf)
  #print(A[i]+1,m,B[i]+1,n)
  uf.union(A[i],B[i])
  total -= m*n
  ans.append(total)
  
#print(ans)   

print(*ans[:-1][::-1], sep='\n') class UnionFind():
  def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

  def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

  def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

  def same(self, x, y):
        return self.find(x) == self.find(y)

  def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

  def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

  def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) UnionFind def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

   __init__ self.n = n self.n self n n self.parents = [-1] * n self.parents self parents [-1] * n [-1] -1 n self self n n def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

   find if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

   self.parents[x] < 0 self.parents[x] self.parents self parents x 0 return x x self.parents[x] = self.find(self.parents[x]) self.parents[x] self.parents self parents x self.find(self.parents[x]) self.find self find self.parents[x] self.parents self parents x return self.parents[x] self.parents[x] self.parents self parents x self self x x def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

   union x = self.find(x) x self.find(x) self.find self find x y = self.find(y) y self.find(y) self.find self find y if x == y:
      return

     x == y x y return if self.parents[x] > self.parents[y]:
            x, y = y, x

     self.parents[x] > self.parents[y] self.parents[x] self.parents self parents x self.parents[y] self.parents self parents y x, y = y, x x y y x self.parents[x] += self.parents[y] self.parents[x] self.parents self parents x self.parents[y] self.parents self parents y self.parents[y] = x self.parents[y] self.parents self parents y x self self x x y y def same(self, x, y):
        return self.find(x) == self.find(y)

   same return self.find(x) == self.find(y) self.find(x) == self.find(y) self.find(x) self.find self find x self.find(y) self.find self find y self self x x y y def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

   roots i for i, x in enumerate(self.parents) if x < 0 for i, x in enumerate(self.parents) if x < 0 i x enumerate(self.parents) enumerate self.parents self parents x < 0 x 0 if x < 0 i return [i for i, x in enumerate(self.parents) if x < 0] [i for i, x in enumerate(self.parents) if x < 0] self self def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

   members root = self.find(x) root self.find(x) self.find self find x i for i in range(self.n) if self.find(i) == root for i in range(self.n) if self.find(i) == root i range(self.n) range self.n self n self.find(i) == root self.find(i) self.find self find i root if self.find(i) == root i return [i for i in range(self.n) if self.find(i) == root] [i for i in range(self.n) if self.find(i) == root] self self x x def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) __str__ return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) '\n'.join '\n' join '{}: {}'.format(r, self.members(r)) '{}: {}'.format '{}: {}' format r self.members(r) self.members self members r self self N, M = map(int, input().split()) N map(int, input().split()) map int input().split() ().split () input split M A = [0]*M A [0]*M [0] 0 M B = [0]*M B [0]*M [0] 0 M for i in range(M):
  A[i],B[i] = map(int, input().split())
  A[i] -= 1
  B[i] -= 1 i range(M) range M A[i],B[i] = map(int, input().split()) A[i] A i map(int, input().split()) map int input().split() ().split () input split B[i] B i A[i] -= 1 A[i] A i 1 B[i] -= 1 B[i] B i 1 ans = [] ans [] A = A[::-1] A A[::-1] A ::-1 -1 B = B[::-1] B B[::-1] B ::-1 -1 uf = UnionFind(N) uf UnionFind(N) UnionFind N total = N*(N-1)//2 total N*(N-1)//2 N*(N-1) N N-1 N 1 2 ans.append(total) ans.append ans append total for i in range(M):
  if uf.same(A[i],B[i]):
    ans.append(total)
    continue
  m = abs(uf.parents[uf.find(A[i])])
  n = abs(uf.parents[uf.find(B[i])])
  #print(uf)
  #print(A[i]+1,m,B[i]+1,n)
  uf.union(A[i],B[i])
  total -= m*n
  ans.append(total)
  
#print(ans)    i range(M) range M if uf.same(A[i],B[i]):
    ans.append(total)
    continue
   uf.same(A[i],B[i]) uf.same uf same A[i] A i B[i] B i ans.append(total) ans.append ans append total continue m = abs(uf.parents[uf.find(A[i])]) m abs(uf.parents[uf.find(A[i])]) abs uf.parents[uf.find(A[i])] uf.parents uf parents uf.find(A[i]) uf.find uf find A[i] A i n = abs(uf.parents[uf.find(B[i])]) n abs(uf.parents[uf.find(B[i])]) abs uf.parents[uf.find(B[i])] uf.parents uf parents uf.find(B[i]) uf.find uf find B[i] B i uf.union(A[i],B[i]) uf.union uf union A[i] A i B[i] B i total -= m*n total m*n m n ans.append(total) ans.append ans append total print(*ans[:-1][::-1], sep='\n') print *ans[:-1][::-1] ans[:-1][::-1] [:-1] ans :-1 -1 ::-1 -1 sep='\n' sep '\n' class UnionFind():
  def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

  def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

  def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

  def same(self, x, y):
        return self.find(x) == self.find(y)

  def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

  def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

  def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) class UnionFind():
  def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

  def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

  def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

  def same(self, x, y):
        return self.find(x) == self.find(y)

  def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

  def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

  def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) UnionFind B = B[::-1] B[::-1] B A = [0]*M [0]*M A B = [0]*M [0]*M B N, M = map(int, input().split()) map(int, input().split()) N n = abs(uf.parents[uf.find(B[i])]) abs(uf.parents[uf.find(B[i])]) n total -= m*n m*n total M = map(int, input().split()) map(int, input().split()) M total = N*(N-1)//2 N*(N-1)//2 total m = abs(uf.parents[uf.find(A[i])]) abs(uf.parents[uf.find(A[i])]) m A = A[::-1] A[::-1] A uf = UnionFind(N) UnionFind(N) uf ans = [] [] ans
#UnionFind木
class UnionFind():
  def __init__(self, n):
    self.n = n
    self.parents = [-1] * n

  def find(self, x):
    if self.parents[x] < 0:
      return x
    else:
      self.parents[x] = self.find(self.parents[x])
      return self.parents[x]

  def union(self, x, y):
    x = self.find(x)
    y = self.find(y)

    if x == y:
      return

    if self.parents[x] > self.parents[y]:
            x, y = y, x

    self.parents[x] += self.parents[y]
    self.parents[y] = x

  def same(self, x, y):
        return self.find(x) == self.find(y)

  def roots(self):
    return [i for i, x in enumerate(self.parents) if x < 0]

  def members(self, x):
    root = self.find(x)
    return [i for i in range(self.n) if self.find(i) == root]

  def __str__(self):
    return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

N, M = map(int, input().split())

A = [0]*M
B = [0]*M
for i in range(M):
  A[i],B[i] = map(int, input().split())
  A[i] -= 1
  B[i] -= 1

ans = []

A = A[::-1]
B = B[::-1]
uf = UnionFind(N)
total = N*(N-1)//2
ans.append(total)
for i in range(M):
  if uf.same(A[i],B[i]):
    ans.append(total)
    continue
  m = abs(uf.parents[uf.find(A[i])])
  n = abs(uf.parents[uf.find(B[i])])
  #print(uf)
  #print(A[i]+1,m,B[i]+1,n)
  uf.union(A[i],B[i])
  total -= m*n
  ans.append(total)
  
#print(ans)   

print(*ans[:-1][::-1], sep='\n')
