from collections import defaultdict, deque

n, m = map(int, input().split())
edge = defaultdict(list)
V = [0 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)
    V[a] += 1
    V[b] += 1

Que = deque()
for i in range(n):
    if V[i] == 1:
        Que.append(i)

cnt = 0
while Que:
    curr = Que.popleft()
    if V[curr] >= 1:
        cnt += 1
        V[curr] -= 1
        for np in edge[curr]:
            if V[np] >= 1:
                V[np] -= 1
                if V[np] == 1:
                    Que.append(np)

if cnt % 2 == 1:
    print("Yes")
else:
    print("No")