#int(input())
#map(int, input().split())
#list(map(int, input().split()))

N, M = map(int, input().split())

to = [[] for i in range(N)]
d = [0] * N

for i in range(M):
    l, r = map(int, input().split())
    to[l-1].append(r-1)
    to[r-1].append(l-1)
    d[l-1] += 1
    d[r-1] += 1

ans = 0

q = []

for i in range(N):
    if d[i] == 1:
        q.append(i)

v = [0] * N

while q:
    t = q.pop()
    if v[t] == 1:
        continue
    v[t] = 1

    for x in to[t]:
        if v[x] == 1:
            continue
        d[x] -= 1
        ans += 1
        if d[x] == 1:
            q.append(x)

# print(ans)
if ans % 2 == 0:
    print("No")
else:
    print("Yes")