from collections import deque
N,M = map(int,input().split())
G = {i:set() for i in range(1,N+1)}
for _ in range(M):
    a,b = map(int,input().split())
    G[a].add(b)
    G[b].add(a)
que = deque([])
for i in range(1,N+1):
    if len(G[i])==1:
        que.append(i)
ans = 0
while que:
    x = que.popleft()
    for y in G[x]:
        G[y].remove(x)
        ans += 1
        if len(G[y])==1:
            que.append(y)
if ans%2==1:
    print("Yes")
else:
    print("No")