import sys
input = sys.stdin.readline

from collections import deque
def bfs(G, s):
    Q = deque([s])
    N = len(G)
    dist = [-1] * N
    par = [-1] * N
    dist[s] = 0
    while Q:
        u = Q.popleft()
        for v in G[u]:
            if dist[v] != -1:
                continue
            dist[v] = dist[u] + 1
            par[v] = u
            Q.append(v)

    return dist


N, M = map(int, input().split())
G = [[] for i in range(N)]
for _ in range(M):
    u, v = map(int, input().split())
    u, v = u - 1, v - 1
    G[u].append(v)
    G[v].append(u)
    
ans = [1, 0]
dist = bfs(G, 0)
from collections import *
C = Counter(dist)
for i in range(1, N + 1):
    ans[i % 2] += C[i]
    print(ans[i % 2])