import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		try (Scanner sc = new Scanner(System.in);) {
			int n = sc.nextInt();

			int[] d1 = new int[n];
			int[] d2 = new int[n];

			for (int i = 0; i < n; i++) {
				d1[i] = sc.nextInt();
				d2[i] = sc.nextInt();
			}

			for (int i = 0; i < n - 2; i++) {
				if (d1[i] == d2[i] 
						&& d1[i + 1] == d2[i + 1] 
								&& d1[i + 2] == d2[i + 2]) {
					System.out.println("Yes");
					return;
				}
			}
			System.out.println("No");

		} catch (Exception e) {
			e.printStackTrace();
		}

	}

}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz