#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000000

int main(){
	
	int N,M;
	cin>>N>>M;
	
	vector<int> a(M),b(M);
	vector<int> cnt(N,0);
	rep(i,M){
		cin>>a[i]>>b[i];
		a[i]--;b[i]--;
		cnt[a[i]]++;
		cnt[b[i]]++;
	}
	
	vector<bool> used(M,false);
	int ans = 0;
	while(true){
		bool f = false;
		rep(i,M){
			if(used[i])continue;
			if(cnt[a[i]]==1){
				f =  true;
				used[i] = true;
				cnt[a[i]]--;
				cnt[b[i]]--;
				ans++;
				break;
			}
			if(cnt[b[i]]==1){
				f =  true;
				used[i] = true;
				cnt[a[i]]--;
				cnt[b[i]]--;
				ans++;
				break;
			}
		}
		if(!f)break;
	}
	if(ans%2==1)cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
	
	return 0;
}