import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		int[][] x = new int[n][4];
		for (int i = 0; i < n; i++) {
			String[] sa = br.readLine().split(" ");
			for (int j = 0; j < 4; j++) {
				x[i][j] = Integer.parseInt(sa[j]);
			}
		}
		br.close();

		int[][] a = new int[3][];
		a[0] = new int[]{2, 8};
		a[1] = new int[]{3, 9};
		a[2] = new int[]{7, 9};
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < a.length; j++) {
				if (x[i][0] == a[j][0] && x[i][1] == a[j][1]) {
					a[j][0] = x[i][2];
					a[j][1] = x[i][3];
				}
			}
		}
		if (a[0][0] == 5 && a[0][1] == 8
				&& a[1][0] == 4 && a[1][1] == 8
				&& a[2][0] == 6 && a[2][1] == 8) {
			System.out.println("YES");
		} else {
			System.out.println("NO");
		}
	}
}