import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
      	int cnt = 0;
      	int a,b;
      	boolean nzj = true;
		
      	for(int i = 0;i < n && nzj;i++){
          a = sc.nextInt();
          b = sc.nextInt();
          if(a == b) cnt++;
          else cnt = 0;
          if(cnt == 3) nzj = false;
        }
      	
		if(!nzj) 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