#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
    int H,W,A,B,C,D;
    cin>>H>>W>>A>>B>>C>>D;
    if((abs(A-B)+abs(C-D))%2 == 0) cout<<"No"<<endl;
    else cout<<"Yes"<<endl;
}