#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i=0; i<n; i++)
#define pb push_back
typedef long long ll;

int main() {
    cin.tie(0); ios::sync_with_stdio(false);
    
    int N, M; cin >> N >> M;
    set<int> G[N];
    rep(i, M) {
        int A, B; cin >> A >> B;
        G[A-1].insert(B-1);
        G[B-1].insert(A-1);
    }
    
    rep(i, N) {
        bool flag = true;
        rep(v, N) if (G[v].size()==1) {
            int nv = *G[v].begin();
            G[v].erase(nv);
            G[nv].erase(v);
            flag = false;
            break;
        }
        if (flag) {
            cout << (i%2==0 ? "No" : "Yes") << endl;
            break;
        }
    }
}