import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		int n=sc.nextInt();
		int[] d1 = new int[n];
		int[] d2 = new int[n];
		for (int i = 0; i < n; i++) {
			d1[i] = sc.nextInt();
			d2[i] = sc.nextInt();
		}
		boolean flag = false;
		for(int i=0;i<n-2;i++){
			if(d1[i]==d2[i]&&d1[i+1]==d2[i+1]&&d1[i+2]==d2[i+2]){
				flag=true;
			}
		}
		if(flag){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