#define _USE_MATH_DEFINES

#include <iostream>	//cin, cout
#include <vector>	//vector
#include <algorithm> //sort,min,max,count
#include <string>	//string,getline, to_string
#include <ios>		//fixed
#include <iomanip>	//setprecision
#include <utility> //swap, pair
#include <cstdlib>	//abs(int)
#include <cmath>	//sqrt,ceil,M_PI, pow, sin
#include <sstream>	//stringstream,getline
#include <numeric>	//gcd, accumlate
#include <deque>	//deque
#include <random>	//randam_device
#include <limits>	//numeric_limits

using namespace std;
constexpr long long int D_MOD = 1000000007;

int main() {

	pair<int, int> A, B, C;
	A.first = 2; A.second = 8;
	B.first = 3; B.second = 9;
	C.first = 7; C.second = 9;

	int N;
	cin >> N;
	int a, b, c, d;
	for (int i = 0; i < N; i++) {
		cin >> a >> b >> c >> d;
		if (A.first == a && A.second == b) { A.first = c; A.second = d; }
		if (B.first == a && B.second == b) { B.first = c; B.second = d; }
		if (C.first == a && C.second == b) { C.first = c; C.second = d; }
	}
	if (A.first == 5 && A.second == 8) {
		if (B.first == 4 && B.second == 8) {
			if (C.first == 6 && C.second == 8) {
				cout << "YES" << endl;
				return 0;
			}
		}
	}

	cout << "NO" << endl;

	return 0;

}