import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int[] a = new int[3];
		for (int i = 0; i < 3; i++) {
			a[i] = sc.nextInt();
		}
		int[] b = new int[3];
		for (int i = 0; i < 3; i++) {
			b[i] = sc.nextInt();
		}
		sc.close();

		if (check(a) && check(b)) {
			System.out.println("Yes");
			return;
		}
		for (int i = 0; i < 3; i++) {
			for (int j = 0; j < 3; j++) {
				int t = a[i];
				a[i] = b[j];
				b[j] = t;
				if (check(a) && check(b)) {
					System.out.println("Yes");
					return;
				}
				t = a[i];
				a[i] = b[j];
				b[j] = t;
			}
		}
		System.out.println("No");
	}

	static boolean check(int[] a) {
		if (a[0] != a[2]) {
			if (a[0] < a[1] && a[1] > a[2]) return true;
			if (a[0] > a[1] && a[1] < a[2]) return true;
		}
		return false;
	}
}