#include <bits/stdc++.h>
//#include <atcoder/all>
using ll = long long;
const int MOD = 1000000007;
const int Mod = 998244353;
const int MAX = 1000000005;
const long long INF = 1000000000000000005LL;
using namespace std;
//using namespace atcoder;



int main() {
    ios::sync_with_stdio(0); cin.tie();
    int N, M;
    cin >> N >> M;
    vector<vector<int>> G(N);
    for (int i = 0; i < M; i++) {
        int u, v;
        cin >> u >> v;
        u--; v--;
        G[u].push_back(v);
        G[v].push_back(u);
    }
    vector<int> dist(N, -1);
    dist[0] = 0;
    queue<int> que;
    que.push(0);
    while (que.size()) {
        int v = que.front();
        que.pop();
        for (int& nv : G[v]) {
            if (dist[nv] != -1) continue;
            dist[nv] = dist[v] + 1;
            que.push(nv);
        }
    }
    vector<int> cnt(N+1);
    for (int i = 0; i < N; i++) {
        if (dist[i] == -1) continue;
        cnt[dist[i]]++;
    }
    vector<int> tot(2);
    tot[1] = 1;
    for (int i = 0; i < N; i++) {
        tot[i%2] += cnt[i+1];
        cout << tot[i%2] << endl;
    }
}