import java.util.*;
import java.io.*;
class Main {
    static boolean isPossible(int[][] a) {
        for(int i = 2; i<a.length; i++) {
            if(a[i][0]==a[i][1] && a[i-1][0]==a[i-1][1] && a[i-2][0]==a[i-2][1]) return true;
        }
        return false;
    }
    public static void main (String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[][] a = new int[n][2];
        for(int i = 0; i<n; i++) {
            a[i][0] = sc.nextInt();
            a[i][1] = sc.nextInt();
        }
        if(isPossible(a)) 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