#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <stack>
#include <algorithm>
#include <string>
#include <map>
#include <iterator>
#include <set>
#include <queue>
#include <bitset>
#include <cassert>

using namespace std;


int main() {

    vector<pair<int, int>> e = {
            {5, 8},
            {4, 8},
            {6, 8},
    };

    vector<pair<int, int>> ini = {
            {2, 8},
            {3, 9},
            {7, 9},
    };

    int N;
    cin >> N;

    for (int i = 0; i < N; ++i) {
        int xi, yi, xi2, yi2;
        cin >> xi >> yi >> xi2 >> yi2;
        for (int j = 0; j < 3; ++j) {
            if (ini[j].first == xi and ini[j].second == yi) {
                ini[j].first = xi2;
                ini[j].second = yi2;
            }
        }
    }
    bool ok = true;
    for (int i = 0; i < 3; ++i) {
        if (e[i] != ini[i]) {
            ok = false;
            break;
        }
    }
    cout << (ok ? "YES" : "NO") << endl;

    return 0;
}