typedef long long ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ll h,w;
    std::cin >> h>>w;
    ll nx,ny,zx,zy;
    std::cin >> nx>>ny>>zx>>zy;
    if((abs(nx-zx)+abs(ny+zy))%2==1){
        std::cout << "Yes" << std::endl;
    }else{
        std::cout << "No" << std::endl;
    }
}