import java.util.*;
public class Main{
	public static void main(String[]args){
      Scanner scan=new Scanner(System.in);
    	int n=scan.nextInt();
		int flag=0;
		boolean done=false;
		while(n--!=0){
			int a=scan.nextInt();
			int b=scan.nextInt();
			if(a==b)flag++;
			if(flag==3){
				done=true;
			}
			if(a!=b)flag=0;
		}
		if(!done)
		System.out.println("No");
		else
		System.out.println("Yes");
    }	
  
}
/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