#include <iostream>
using namespace std;
typedef long long ll;

int main()
{
    int h, w;
    cin >> h >> w;
    int x[2], y[2];
    cin >> x[0] >> y[0] >> x[1] >> y[1];
    if(h == 1 || w == 1 || (x[0] + y[0]) % 2 != (x[1] + y[1]) % 2) cout << "Yes" << endl;
    else cout << "No" << endl;
}