#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
 
int main() {
    int H,W;
    cin >> H >> W;
    int ni,nj;
    cin >> ni >> nj;
    int zi,zj;
    cin >> zi >> zj;
    int dis = abs(ni-zi) + abs(nj-zj);
    if (dis%2 == 0) {
        cout << "No" << endl;
    }
    else {
        cout << "Yes" << endl;
    }
}