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

int main() {
	long long N;
	cin >> N;
	long long A[9][9] = {};
	A[1][7] = 1, A[2][8] = 2, A[6][8] = 3;
	for (int i = 0; i < N; i++) {
		long long X1, Y1, X2, Y2;
		cin >> X1 >> Y1 >> X2 >> Y2;
		X1--, Y1--, X2--, Y2--;
		swap(A[X1][Y1], A[X2][Y2]);
	}
	if (A[4][7] == 1 && A[3][7] == 2 && A[5][7] == 3) cout << "YES" << endl;
	else cout << "NO" << endl;
}