import java.util.Scanner;

public class Main {
    public static void main(String s[]){
        Scanner sc=new Scanner(System.in);
        int n=0;
        if(sc.hasNextInt())
            n=sc.nextInt();
        int cnt=0;
        boolean res=false;
        while(n--!=0){
            byte x=sc.nextByte();
            byte y=sc.nextByte();
            if(x==y)
                cnt++;
            else
                cnt=0;
            if(cnt==3)
                res=true;
        }
        if(res)
            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