import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int h = sc.nextInt();
		int w = sc.nextInt();
		int ni = sc.nextInt();
		int nj = sc.nextInt();
		int zi = sc.nextInt();
		int zj = sc.nextInt();
		sc.close();

		int n = (ni + nj) % 2;
		int z = (zi + zj) % 2;
		if (n == z) {
			System.out.println("No");
		} else {
			System.out.println("Yes");
		}
	}
}