n,m=map(int,input().split())
ab=[list(map(int, input().split())) for _ in range(m)]

ab=ab[::-1]

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

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

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

    def group_count(self):
        return len(self.roots())
        
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

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

uf = UnionFind(n) #初期化
result=[]
all_iland=n*(n-1)//2

for item in ab[0:-1]:
    a=item[0]-1
    b=item[1]-1
    if uf.same(a,b):
        i=1
    else:
        a_size=uf.size(a)
        b_size=uf.size(b)

        all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2
        uf.union(a,b)

        a_size=uf.size(a)
        all_iland-=a_size*(a_size-1)//2
    result.append(all_iland)


for item in result[::-1]:
    print(item)

print(n*(n-1)//2)






#uf.union(0, 2)#グループを併合
#uf.find(0) #親要素が変える



 n,m=map(int,input().split()) n map(int,input().split()) map int input().split() ().split () input split m list(map(int, input().split())) for _ in range(m) for _ in range(m) _ range(m) range m for _ in range(m) list(map(int, input().split())) list map(int, input().split()) map int input().split() ().split () input split ab=[list(map(int, input().split())) for _ in range(m)] ab [list(map(int, input().split())) for _ in range(m)] ab=ab[::-1] ab ab[::-1] ab ::-1 -1 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 size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)

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

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

    def group_count(self):
        return len(self.roots())
        
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    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 size(self, x):
        return -self.parents[self.find(x)]
     size return -self.parents[self.find(x)] -self.parents[self.find(x)] self.parents[self.find(x)] self.parents self parents self.find(x) self.find self find x self self x x 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 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 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 group_count(self):
        return len(self.roots())
        
     group_count return len(self.roots()) len(self.roots()) len self.roots() self.roots self roots self self def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

     all_group_members r: self.members(r) for r in self.roots() for r in self.roots() r self.roots() self.roots self roots for r in self.roots() r self.members(r) self.members self members r return {r: self.members(r) for r in self.roots()} {r: self.members(r) for r in self.roots()} self self 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 uf = UnionFind(n) uf UnionFind(n) UnionFind n result=[] result [] all_iland=n*(n-1)//2 all_iland n*(n-1)//2 n*(n-1) n n-1 n 1 2 for item in ab[0:-1]:
    a=item[0]-1
    b=item[1]-1
    if uf.same(a,b):
        i=1
    else:
        a_size=uf.size(a)
        b_size=uf.size(b)

        all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2
        uf.union(a,b)

        a_size=uf.size(a)
        all_iland-=a_size*(a_size-1)//2
    result.append(all_iland) item ab[0:-1] ab 0:-1 0 -1 a=item[0]-1 a item[0]-1 item[0] item 0 1 b=item[1]-1 b item[1]-1 item[1] item 1 1 if uf.same(a,b):
        i=1
    else:
        a_size=uf.size(a)
        b_size=uf.size(b)

        all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2
        uf.union(a,b)

        a_size=uf.size(a)
        all_iland-=a_size*(a_size-1)//2
     uf.same(a,b) uf.same uf same a b i=1 i 1 a_size=uf.size(a) a_size uf.size(a) uf.size uf size a b_size=uf.size(b) b_size uf.size(b) uf.size uf size b all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2 all_iland a_size*(a_size-1)//2+b_size*(b_size-1)//2 a_size*(a_size-1)//2 a_size*(a_size-1) a_size a_size-1 a_size 1 2 b_size*(b_size-1)//2 b_size*(b_size-1) b_size b_size-1 b_size 1 2 uf.union(a,b) uf.union uf union a b a_size=uf.size(a) a_size uf.size(a) uf.size uf size a all_iland-=a_size*(a_size-1)//2 all_iland a_size*(a_size-1)//2 a_size*(a_size-1) a_size a_size-1 a_size 1 2 result.append(all_iland) result.append result append all_iland for item in result[::-1]:
    print(item) item result[::-1] result ::-1 -1 print(item) print item print(n*(n-1)//2) print n*(n-1)//2 n*(n-1) n n-1 n 1 2 ab=[list(map(int, input().split())) for _ in range(m)] [list(map(int, input().split())) for _ in range(m)] ab a_size=uf.size(a) uf.size(a) a_size uf = UnionFind(n) UnionFind(n) uf m=map(int,input().split()) map(int,input().split()) m a_size=uf.size(a) uf.size(a) a_size result=[] [] result b_size=uf.size(b) uf.size(b) b_size all_iland=n*(n-1)//2 n*(n-1)//2 all_iland i=1 1 i all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2 a_size*(a_size-1)//2+b_size*(b_size-1)//2 all_iland n,m=map(int,input().split()) map(int,input().split()) n a=item[0]-1 item[0]-1 a b=item[1]-1 item[1]-1 b all_iland-=a_size*(a_size-1)//2 a_size*(a_size-1)//2 all_iland 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 size(self, x):
        return -self.parents[self.find(x)]
    def same(self, x, y):
        return self.find(x) == self.find(y)

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

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

    def group_count(self):
        return len(self.roots())
        
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

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

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

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

    def group_count(self):
        return len(self.roots())
        
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots()) UnionFind ab=ab[::-1] ab[::-1] ab
n,m=map(int,input().split())
ab=[list(map(int, input().split())) for _ in range(m)]

ab=ab[::-1]

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

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

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

    def group_count(self):
        return len(self.roots())
        
    def all_group_members(self):
        return {r: self.members(r) for r in self.roots()}

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

uf = UnionFind(n) #初期化
result=[]
all_iland=n*(n-1)//2

for item in ab[0:-1]:
    a=item[0]-1
    b=item[1]-1
    if uf.same(a,b):
        i=1
    else:
        a_size=uf.size(a)
        b_size=uf.size(b)

        all_iland+=a_size*(a_size-1)//2+b_size*(b_size-1)//2
        uf.union(a,b)

        a_size=uf.size(a)
        all_iland-=a_size*(a_size-1)//2
    result.append(all_iland)


for item in result[::-1]:
    print(item)

print(n*(n-1)//2)






#uf.union(0, 2)#グループを併合
#uf.find(0) #親要素が変える




