#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;
        }
        else if(abs(nx - zi) == 1 &&  abs(ny - zj) == 1){
            cout << "Yes" << endl;
            return 0;
        }
    }
    if(H == 2){
        if(zi != ni && zj % 2 == nj % 2) cout << "Yes" << endl;
        else if(zi == ni && zj % 2 != nj % 2) cout << "Yes" << endl;
    }
    else if(W == 2){
        if(zj != nj && zi % 2 == ni % 2) cout << "Yes" << endl;
        else if(zj == nj && zi % 2 != nj % 2) cout << "Yes" << endl;
    }
    cout << "No" << endl;
}