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

int main()
{
	int H, W, ni, nj, zi, zj;
	cin >> H >> W >> ni >> nj >> zi >> zj;

	string ans = "No";
	if( ( abs( ni - zi ) + abs( nj - zj ) ) % 2 ) ans = "Yes";

	cout << ans << endl;
}