#include <bits/stdc++.h>
    using namespace std;
    #include <math.h>
    #include <iomanip>
    #include <cstdint>
    #include <string>
    #include <sstream>
    template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
    template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
    #define rep(i,n) for (int i = 0; i < (n); ++i)
    typedef long long ll;
    using P=pair<ll,ll>;
    const int INF=1001001001;
    const int mod=1e9+7;
    
    void solve(){
        int n,m;
        cin>>n>>m;
        vector<int>a(m),b(m);
        rep(i,m) {cin>>a[i]>>b[i];a[i]--;b[i]--;}
        vector<int>deg(n);
        rep(i,m){deg[a[i]]++;deg[b[i]]++;}
        int tot=0;
        vector<int>used(m);
        rep(i,n){
            rep(j,m){
               if(!used[j]&&(deg[a[j]]==1||deg[b[j]]==1)){
                    tot++;
                    deg[a[j]]--;
                    deg[b[j]]--;
                    used[j]=1;
               }
            }
        }
        cout<<(tot&1?"Yes":"No")<<endl;
    }  

    int main(){
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        solve();   

        return 0;
    }