#include <bits/stdc++.h>
using namespace std;

int main() {
    int n, m;
    cin >> n >> m;
    vector<vector<int>> graph(n);
    vector<int> degree(n);
    for (int i = 0; i < m;i++) {
        int a, b;
        cin >> a >> b;
        a--;
        b--;
        graph[a].push_back(b);
        graph[b].push_back(a);
        degree[a]++;
        degree[b]++;
    }

    queue<int> que;
    for (int i = 0; i < n;i++) {
        if(degree[i] == 1) {
            que.push(i);
        }
    }

    vector<int> sel(n);
    int cnt = 0;
    while(!que.empty()) {
        int now = que.front();
        que.pop();
        if(degree[now] == 0) {
            continue;
        }
        cnt++;
        degree[now] = 0;
        for(int adj: graph[now]) {
            if(sel[adj]) {
                continue;
            }
            degree[adj]--;
            if(degree[adj] == 1) {
                sel[adj] = true;
                que.push(adj);
            }
        }
    }

    if(cnt % 2 == 1) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }

    return 0;
}