import java.util.Arrays;
import java.util.Collections;
import java.util.Scanner;
import java.util.Vector;
 
public class Main {
	public static void main(String[] args) {
		Scanner ob=new Scanner(System.in);
	int n=ob.nextInt();
	int k=0;
	for(int i=0;i<n;i++)
	{
	int a=ob.nextInt();
	int b=ob.nextInt();
	if(a==b){k++;}
	else{k=0;}
	if(k==3){System.out.println("Yes");System.exit(0);}
	}
		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