import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60


class UnionFind:
    # Reference: https://note.nkmk.me/python-union-find/
    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 main():
    N, M, *AB = map(int, read().split())

    AB = list(reversed(AB[2:]))
    count = N * (N - 1) // 2
    ans = [count]
    uf = UnionFind(N)

    for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

    print('\n'.join(map(str, reversed(ans))), sep='\n')
    return


if __name__ == '__main__':
    main() import sys sys read = sys.stdin.read read sys.stdin.read sys.stdin sys stdin read readline = sys.stdin.readline readline sys.stdin.readline sys.stdin sys stdin readline readlines = sys.stdin.readlines readlines sys.stdin.readlines sys.stdin sys stdin readlines sys.setrecursionlimit(10 ** 9) sys.setrecursionlimit sys setrecursionlimit 10 ** 9 10 9 INF = 1 << 60 INF 1 << 60 1 60 class UnionFind:
    # Reference: https://note.nkmk.me/python-union-find/
    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()) 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 main():
    N, M, *AB = map(int, read().split())

    AB = list(reversed(AB[2:]))
    count = N * (N - 1) // 2
    ans = [count]
    uf = UnionFind(N)

    for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

    print('\n'.join(map(str, reversed(ans))), sep='\n')
    return main N, M, *AB = map(int, read().split()) N map(int, read().split()) map int read().split() ().split () read split M *AB AB AB = list(reversed(AB[2:])) AB list(reversed(AB[2:])) list reversed(AB[2:]) reversed AB[2:] AB 2: 2 count = N * (N - 1) // 2 count N * (N - 1) // 2 N * (N - 1) N N - 1 N 1 2 ans = [count] ans [count] count uf = UnionFind(N) uf UnionFind(N) UnionFind N for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

     a b zip(AB[::2], AB[1::2]) zip AB[::2] AB ::2 2 AB[1::2] AB 1::2 1 2 a -= 1 a 1 b -= 1 b 1 if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
         not uf.same(a, b) uf.same(a, b) uf.same uf same a b count -= uf.size(a) * uf.size(b) count uf.size(a) * uf.size(b) uf.size(a) uf.size uf size a uf.size(b) uf.size uf size b uf.union(a, b) uf.union uf union a b ans.append(count) ans.append ans append count print('\n'.join(map(str, reversed(ans))), sep='\n') print '\n'.join(map(str, reversed(ans))) '\n'.join '\n' join map(str, reversed(ans)) map str reversed(ans) reversed ans sep='\n' sep '\n' return if __name__ == '__main__':
    main() __name__ == '__main__' __name__ '__main__' main() main INF = 1 << 60 1 << 60 INF def main():
    N, M, *AB = map(int, read().split())

    AB = list(reversed(AB[2:]))
    count = N * (N - 1) // 2
    ans = [count]
    uf = UnionFind(N)

    for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

    print('\n'.join(map(str, reversed(ans))), sep='\n')
    return def main():
    N, M, *AB = map(int, read().split())

    AB = list(reversed(AB[2:]))
    count = N * (N - 1) // 2
    ans = [count]
    uf = UnionFind(N)

    for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

    print('\n'.join(map(str, reversed(ans))), sep='\n')
    return main read = sys.stdin.read sys.stdin.read read readlines = sys.stdin.readlines sys.stdin.readlines readlines class UnionFind:
    # Reference: https://note.nkmk.me/python-union-find/
    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()) class UnionFind:
    # Reference: https://note.nkmk.me/python-union-find/
    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()) UnionFind readline = sys.stdin.readline sys.stdin.readline readline
import sys

read = sys.stdin.read
readline = sys.stdin.readline
readlines = sys.stdin.readlines
sys.setrecursionlimit(10 ** 9)
INF = 1 << 60


class UnionFind:
    # Reference: https://note.nkmk.me/python-union-find/
    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 main():
    N, M, *AB = map(int, read().split())

    AB = list(reversed(AB[2:]))
    count = N * (N - 1) // 2
    ans = [count]
    uf = UnionFind(N)

    for a, b in zip(AB[::2], AB[1::2]):
        a -= 1
        b -= 1
        if not uf.same(a, b):
            count -= uf.size(a) * uf.size(b)
            uf.union(a, b)
        ans.append(count)

    print('\n'.join(map(str, reversed(ans))), sep='\n')
    return


if __name__ == '__main__':
    main()
