#include <iostream>
#include <cstdint>
#include <cmath>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int32_t H, W, n_i, n_j, z_i, z_j;
	cin >> H >> W >> n_i >> n_j >> z_i >> z_j;

	if (abs(n_i - z_i) + abs(n_j - z_j) == 1 || abs(n_i - z_i) + abs(n_j - z_j) == 3 && n_i != z_i && n_j != z_j)
		cout << "Yes\n";
	else
		cout << "No\n";

	return 0;
}