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

int main(){
    ll h,w,n[2] = {},z[2] = {};
    cin >> h >> w;
    cin >> n[0] >> n[1] >> z[0] >> z[1];
    if((ll)abs(n[0] + n[1] - z[0] - z[1]) % 2 == 1){
        cout << "Yes" << endl;
    }else{
        cout << "No" << endl;
    }
}