#include <bits/stdc++.h>

using namespace std;

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

    int cnt = 0;
    vector<bool> sel(n);
    while(1) {
        int nxt = -1;
        for (int i = 0; i < n;i++) {
            if(d[i] == 1) {
                nxt = i;
                break;
            }
        }
        if(nxt == -1) {
            break;
        }
        cnt++;
        d[nxt] = 0;
        for(int adj: g[nxt]) {
            if(d[adj] == 0) {
                continue;
            }
            d[adj]--;
        }
    }

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

    return 0;
}