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

using ll = long long;
const int INF = 1e9;
const ll inf = 1LL<<60;

int main() {
  int h, w; cin >> h >> w;
  ll na, nb; cin >> na >> nb;
  ll za, zb; cin >> za >> zb;
  if (h == 1 || w == 1) {
    cout << "Yes" << endl;
    return 0;
  }
  if (((na + nb)%2) == (za + zb)%2) {
    cout << "No" << endl;
  } else {
    cout << "Yes" << endl;
  }
}