#include<iostream>
using namespace std;

int main() {
    int N;
    cin >> N;
    int board[10][10];
    for (int i = 0;i < 10;++ i) for (int j = 0;j < 10;++ j) board[i][j] = 0;
	board[2][8] = 1;
	board[3][9] = 2;
	board[7][9] = 3;
	while(N-- > 0) {
		int x1, y1, x2, y2;
		cin >> x1 >> y1 >> x2 >> y2;
		board[x2][y2] = board[x1][y1];
		board[x1][y1] = 0;
	}
	if (board[5][8] == 1 && board[4][8] == 2 && board[6][8] == 3) cout << "YES" << endl;
	else cout << "NO" << endl;
    return 0;
}