#include <bits/stdc++.h>
using namespace std;
#define int long long
using vec_int = vector<int>;
using P = pair<int,int>;
using T = tuple<int,int,int>;
using ll = long long;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)

int charToInt(char c){
    char zero_num = '0';
    return (int)c - (int)zero_num;
}

void cout_line(vector<int> &a){
    for(int i=0;i<a.size();i++){
        if(i<a.size()-1){
            cout<<a.at(i)<<" ";
        }else{
            cout<<a.at(i)<<endl;
        }
    }
}

signed main(){
    int H, W;  cin>>H>>W;
    int a,b,c,d; cin>>a>>b>>c>>d;

    int dist = abs(a-c) + abs(b-d);
    if(dist%2==0){
        cout<<"No"<<endl;
    }else{
        cout<<"Yes"<<endl;
    }



    return 0;
}