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

long long h, w, a, b, c, d;

int main(){
    cin >> h >> w >> a >> b >> c >> d;
    
    if(abs(a + b - c - d) % 2 == 1)
        cout << "Yes" << endl;
    else
        cout << "No" << endl;
}