#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;
#define int long long

signed main(){
  int h,w;cin>>h>>w;
  int ni,nj;cin>>ni>>nj;
  int zi,zj;cin>>zi>>zj;
  int dif=abs(ni-zi)+abs(nj-zj);
  if(dif%2==0) cout<<"No"<<endl;
  else cout<<"Yes"<<endl;
  return 0;
}