#include "bits/stdc++.h"
#define int long long

using namespace std;
using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 1000000007;

int N, M;
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin >> N >> M;
	vector<set<int>>G(N);
	for (int i = 0; i < M; i++) {
		int a, b; cin >> a >> b; a--; b--;
		G[a].insert(b);
		G[b].insert(a);
	}
	int cnt = 0;
	for (int i = 0; i < 5010; i++) {
		for (int j = 0; j < N; j++) {
			if (G[j].size() == 1) {
				cnt++;
				int x = *G[j].begin();
				G[j].erase(x);
				G[x].erase(j);
			}
		}
	}
	if (cnt % 2 == 1)cout << "Yes" << endl;
	else cout << "No" << endl;
	return 0;


}