#include <bits/stdc++.h>
using namespace std;
int main(){
    int H, W;
    cin >> H >> W;

    int ni, nj;
    cin >> ni >> nj;
    int zi, zj;
    cin >> zi >> zj;
    int dx[4] = {0, -1, 0, 1}, dy[4] = {1, 0, -1, 0};
    for(int i = 0; i < 4; i++){
        int nx = ni + dx[i], ny = nj + dy[i];
        if(nx == zi && ny == zj){
            cout << "Yes" << endl;
            return 0;
        }
    }
    if((zi + zj) %2 != (ni + nj) %2) cout << "Yes" << endl;
    else cout << "No" << endl;
}