import java.util.*;
import static java.lang.System.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(in);
        int n = sc.nextInt();
        int ren = 0;
        for(int i=0; i<n; i++){
            int a = sc.nextInt();
            int b = sc.nextInt();

            if(a == b) ren++;
            else ren = 0;

            if(ren == 3){
                out.println("Yes");
                break;
            }
        }
        if(ren != 3) 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