import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);

		int rolls = sc.nextInt();
		
		String output = "No";
		int doubleRollCount = 0;
		
		for(int i = 0; i < rolls; i++) {
			int rollOne = sc.nextInt();
			int rollTwo = sc.nextInt();
			
			if(rollOne == rollTwo) {
				doubleRollCount++;
			}
			else {
				doubleRollCount = 0;
			}
			
			if(doubleRollCount == 3) {
				output = "Yes";
			}
		}
		
		System.out.println(output);
		
	}
}
/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