//  Codeforces: ganariya
//  AtCoder: ganariya2525
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//include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <unordered_map>
#include <climits>
#include <set>
#include <unordered_set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <queue>
#include <random>
#include <complex>
#include <regex>
#include <locale>
#include <random>

using namespace std;

#define SHOW_VECTOR(v) {std::cerr << #v << "\t:";for(const auto& xxx : v){std::cerr << xxx << " ";}std::cerr << "\n";}
#define SHOW_MAP(v){std::cerr << #v << endl; for(const auto& xxx: v){std::cerr << xxx.first << " " << xxx.second << "\n";}}

using LL = long long;

//~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

struct UnionFind {
    vector<LL> par;
    vector<LL> sizes;

    UnionFind(LL n) :
            par(n), sizes(n, 1) {
        for (LL i = 0; i < n; i++) par[i] = i;
    }

    LL find(LL x) {
        return x == par[x] ? x : par[x] = find(par[x]);
    }

    bool same(LL x, LL y) {
        return find(x) == find(y);
    }

    void unite(LL x, LL y) {
        x = find(x);
        y = find(y);
        if (x == y)return;
        if (sizes[x] < sizes[y]) swap(x, y);
        sizes[x] += sizes[y];
        par[y] = x;
    }

    LL getSize(LL x) {
        return sizes[find(x)];
    }

};


LL NCR(LL n, LL r) {
    LL ret = 1;
    for (LL i = 0; i < r; i++) {
        ret *= (n - i);
        ret /= (i + 1);
    }
    return ret;
}

int main() {

    LL N, M;
    cin >> N >> M;

    UnionFind UF(N);

    vector<LL> A(M), B(M);
    for (int i = 0; i < M; i++) cin >> A[i] >> B[i], A[i]--, B[i]--;
    reverse(A.begin(), A.end());
    reverse(B.begin(), B.end());

    vector<LL> ans(M);
    ans[0] = NCR(N, 2LL);

    for (int i = 0; i < M - 1; i++) {
        LL d = ans[i];
        LL u = A[i];
        LL v = B[i];
        if (UF.same(u, v)) {
            ans[i + 1] = d;
            continue;
        }
        if (UF.getSize(u) != 1) d += NCR(UF.getSize(u), 2);
        if (UF.getSize(v) != 1) d += NCR(UF.getSize(v), 2);
        UF.unite(u, v);
        d -= NCR(UF.getSize(u), 2);
        ans[i + 1] = d;
    }

    for (int i = M - 1; i >= 0; i--) cout << ans[i] << endl;

    return 0;
}
















































Measured memory_bytes: 5248