//
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define lch (o << 1)
#define rch (o << 1 | 1)

typedef double db;
typedef long long ll;
typedef unsigned int ui;
typedef pair<int, int> pint;
typedef tuple<int, int, int> tint;

const int N = 5000 + 5;
const int INF = 0x3f3f3f3f;
const ll INF_LL = 0x3f3f3f3f3f3f3f3f;

vector<int> a[N];

int main() {
	ios::sync_with_stdio(0);

	int n, m;
	cin >> n >> m;
	for (int i = 1; i <= m; i++) {
		int u, v;
		cin >> u >> v;
		a[u].push_back(v);
		a[v].push_back(u);
	}

	auto check = [&]() {
		for (int u = 1; u <= n; u++) {
			if (a[u].size() == 1) {
				int v = a[u][0];
				for (auto p = a[v].begin(); p != a[v].end(); p++) {
					if (*p == u) {
						a[v].erase(p);
						break;
					}
				}
				a[u].clear();
				return 1;
			}
		}
		return 0;
	};

	int cnt = 0;
	while (check()) cnt++;
	cout << ((cnt & 1) ? "Yes" : "No") << endl;

	return 0;
}