#include <bits/stdc++.h>
#define rep(i, n) for (ll i = 0; i < n; ++i)
typedef long long ll;
using namespace std;
const int INF = 1e9;

int main() {
    int mas[10][10] = {0};
    mas[8][2] = 1;
    mas[9][3] = 2;
    mas[9][7] = 3;

    int n;
    cin >> n;
    rep(i, n) {
        int x, y, nx, ny;
        cin >> x >> y >> nx >> ny;
        swap(mas[y][x], mas[ny][nx]);
    }

    if (mas[8][5] == 1 && mas[8][4] == 2 && mas[8][6] == 3)
        cout << "YES";
    else
        cout << "NO";
    cout << endl;

    return 0;
}