import java.util.*;
public class Main {

	static void solve() {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt(), t = 0;
		while (n-->0) {
			int a = sc.nextInt(), b = sc.nextInt();
			if (a==b) t++; else t=0;
			if (t==3) break;
		}
		System.out.println(t==3 ? "Yes" : "No");
		sc.close();			
	}

	public static void main(String args[]) {
		solve();
	}

}
/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