from collections import deque

N, M = map(int, input().split())
g = [[] for _ in range(N)]
for _ in range(M):
	u, v = map(int, input().split())
	u -= 1
	v -= 1
	g[u].append(v)
	g[v].append(u)
dist = [10 ** 9] * N
dist[0] = 0
q = deque([0])
while q:
	u = q.popleft()
	for v in g[u]:
		if dist[u] + 1 < dist[v]:
			dist[v] = dist[u] + 1
			q.append(v)
c = [0] * (N + 1)
for i in dist:
	if i < 10 ** 9:
		c[i] += 1
cn = [0] * 2
cn[0] = 1
for i in range(1, N + 1):
	cn[i % 2] += c[i]
	print(cn[i % 2])