n,m = map(int,input().split())
ans = [-1] * n
edge = [[] for _ in range(n)]

for _ in range(m):
    a,b = map(int,input().split())
    a -= 1
    b -= 1
    edge[a].append(b)
    edge[b].append(a)
    
import collections
que = collections.deque()
que.append(0)
    
while que:
    x = que.popleft()
    
    for to in edge[x]:
        if ans[to] == -1:
            ans[to] = x + 1
            que.append(to)
            
print("Yes")
print(*ans[1:],sep="\n")