/*** author: yuji9511 ***/
#include <bits/stdc++.h>
// #include <atcoder/all>
// using namespace atcoder;
using namespace std;
using ll = long long;
using lpair = pair<ll, ll>;
using vll = vector<ll>;
const ll MOD = 1e9+7;
const ll INF = 1e18;
#define rep(i,m,n) for(ll i=(m);i<(n);i++)
#define rrep(i,m,n) for(ll i=(m);i>=(n);i--)
ostream& operator<<(ostream& os, lpair& h){ os << "(" << h.first << ", " << h.second << ")"; return os;}
#define printa(x,n) for(ll i=0;i<n;i++){cout<<(x[i])<<" \n"[i==n-1];};
void print() {}
template <class H,class... T>
void print(H&& h, T&&... t){cout<<h<<" \n"[sizeof...(t)==0];print(forward<T>(t)...);}
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

void solve(){
    ll N,M;
    cin >> N >> M;
    vector<vll> tree(N);
    rep(i,0,M){
        ll a,b;
        cin >> a >> b;
        a--; b--;
        tree[a].push_back(b);
        tree[b].push_back(a);
    }
    vll num(N, 0);
    rep(i,0,N) num[i] = tree[i].size();
    ll ans = 0;
    while(true){
        ll p = -1;
        rep(i,0,N){
            if(num[i] == 1){
                p = i;
                break;
            }
        }
        if(p == -1) break;
        for(auto &e: tree[p]) num[e]--;
        num[p]--;
        ans++;
    }
    if(ans % 2 == 1){
        print("Yes");
    }else{
        print("No");
    }
    

}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);
    solve();
}