import java.util.*;
import java.io.*;
import java.lang.*;

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

        int n = sc.nextInt();
        int ans = 0;
        String p = "No";
        for (int i = 0; i<n; i++){
            int a = sc.nextInt();
            int b = sc.nextInt();

            if (a==b)
                ans++;
            else
                ans = 0;
            if (ans==3){
                p = "Yes";
                break;
            }
        }
        System.out.println(p);
    }
}
/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