#include <bits/stdc++.h>
using namespace std;

int main() {
	int N;
	cin >> N;

	vector<vector<char>> v(9, vector<char>(9, '-'));
	v.at(7).at(1) = 'A';
	v.at(8).at(2) = 'B';
	v.at(8).at(6) = 'C';
	
	for (int i = 0; i < N; i++) {
		char c;
		int x, y;

		cin >> x >> y;
		c = v.at(y - 1).at(x - 1);
		v.at(y - 1).at(x - 1) = '-';

		cin >> x >> y;
		v.at(y - 1).at(x - 1) = c;
	}

	/*
	for (int i = 0; i < 9; i++) {
		for (int j = 0; j < 9; j++) {
			cout << v.at(i).at(j) << ' ';
			if (j == 8) cout << endl;
		}
	}
	*/

	vector<int> v2(6), v3 = { 5,8,4,8,6,8 };
	for (int i = 0; i < 9; i++) {
		for (int j = 0; j < 9; j++) {
			char c = v.at(i).at(j);
			if (c == 'A') {
				v2.at(0) = j + 1;
				v2.at(1) = i + 1;
			}
			else if (c == 'B') {
				v2.at(2) = j + 1;
				v2.at(3) = i + 1;
			}
			else if (c == 'C') {
				v2.at(4) = j + 1;
				v2.at(5) = i + 1;
			}
		}
	}

	if (v2 == v3) {
		cout << "YES" << endl;
	}
	else {
		cout << "NO" << endl;
	}
}