typedef long long ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ll n,m;
    std::cin >> n>>m;
    vector<ll> v(n);
    vector<vector<pair<ll,ll>>> edges(n);
    for (int i = 0; i < m; i++) {
        ll a,b;
        std::cin >> a>>b;
        a--;b--;
        v[a]++;
        v[b]++;
        edges[a].push_back({b,i});
        edges[b].push_back({a,i});
    }
    vector<bool> used(m);
    priority_queue<pair<ll,ll>,vector<pair<ll,ll>>,greater<pair<ll,ll>>> pq;
    for (int i = 0; i < n; i++) {
        pq.push({v[i],i});
    }
    bool ok = true;
    while(pq.size()){
        auto [val, now] = pq.top();pq.pop();
        val = v[now];
        if(val!=1)continue;
        v[now]--;
        ok = !ok;
        for (auto e : edges[now]) {
            auto [ee, ii] = e;
            if(used[ii])continue;
            v[ee]--;
            pq.push({v[ee],ee});
            used[ii]=true;
            break;
        }
    }
    if(ok){
        std::cout << "No" << std::endl;
    }else{
        std::cout << "Yes" << std::endl;
    }
}