import java.io.IOException;
import java.util.Scanner;

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

        int n = Integer.parseInt(sc.nextLine());
        int counter = 0;

        int[][] result = new int[n][2];
        for(int i=0; i < n; i++){
            result[i][0] = sc.nextInt();
            result[i][1] = sc.nextInt();
        }

        for(int i=0; i< n; i++){
            if(result[i][0] == result[i][1]){
                counter++;
                if(counter == 3){
                    break;
                }
            }else {
                counter = 0;
            }
        }

        if(counter == 3){
            System.out.println("Yes");
        }else {
            System.out.println(("No"));
        }

    }
}

/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