#include <bits/stdc++.h>
using namespace std;
int main(void){
    vector<pair<int, int>> crt = {{2, 8}, {3, 9}, {7, 9}};
    vector<pair<int, int>> goal = {{5, 8}, {4, 8}, {6, 8}};
    int N; cin >> N;
    for (int i = 0; i < N; i++) {
        int x1, y1; cin >> x1 >> y1;
        int x2, y2; cin >> x2 >> y2;
        for (int j = 0; j < 3; j++) {
            if (crt[j].first == x1 && crt[j].second == y1) {
                crt[j] = {x2, y2};
                break;
            }
        }
    }
    for (int i = 0; i < 3; i++) {
        if (crt[i].first != goal[i].first || crt[i].second != goal[i].second) {
            cout << "NO" << endl;
            return 0;
        }
    }
    cout << "YES" << endl;
}