#include <bits/stdc++.h>
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)
using namespace std;

void solve() {
  int a, b;
  cin >> a >> b;
  string ans = "No";
  if (a % 2 == 0 && b % 2 == 0)
    ans = "Yes";
  else if (a % 2 == 1 && b % 2 == 0 && b >= 10)
    ans = "Yes";
  cout << ans << endl;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  solve();
  getchar();
}