//#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
//using namespace atcoder;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<ll>>;
Graph G;
vll dist;
vector<bool> seen;
ll gcd(ll(a), ll(b)) {
	ll c = a;
	while (a % b != 0) {
		c = a % b;
		a = b;
		b = c;
	}
	return b;
}
int main() {
	ll N,M;
	cin>>N>>M;
	Graph G(N);
	vll e(N,0);
	queue<ll> Q;
	rep(i,M){
		ll A,B;
		cin>>A>>B;
		A--;B--;
		G[A].push_back(B);
		G[B].push_back(A);
		e[A]++;
		e[B]++;
	}
	rep(i,N){
		if(e[i]==1){
			Q.push(i);
		}
	}
	ll an=0;
	while(!Q.empty()){
		
		ll v=Q.front();Q.pop();
		if(e[v]==0)continue;
		an++;
		
		for(ll nv:G[v]){
			e[nv]--;
			if(e[nv]==1){
				Q.push(nv);
			}
		}

	}
	cout<<(an%2==0?"No":"Yes")<<endl;
}