#define _USE_MATH_DEFINES

#include <iostream>		//cin, cout
#include <vector>		//vector
#include <algorithm>	//sort,min,max,count
#include <string>		//string,getline, to_string
#include <cstdlib>		//abs(int)
#include <utility>		//swap, pair
#include <deque>		//deque
#include <climits>		//INT_MAX
#include <bitset>		//bitset
#include <cmath>		//sqrt, ceil. M_PI, pow, sin
#include <ios>			//fixed
#include <iomanip>		//setprecision
#include <sstream>		//stringstream
#include <numeric>		//gcd, assumlate
#include <random>		//randam_device
#include <limits>		//numeric_limits

using namespace std;
constexpr int64_t D_MOD = 1000000007;

int main() {

    int N;
    cin >> N;

    int AX = 2, AY = 8;
    int BX = 3, BY = 9;
    int CX = 7, CY = 9;

    int x1, y1, x2, y2;

    for (int i = 0; i < N; i++) {
        cin >> x1 >> y1 >> x2 >> y2;
        if (x1 == AX && y1 == AY) {
            AX = x2;
            AY = y2;
        }
        if (x1 == BX && y1 == BY) {
            BX = x2;
            BY = y2;
        }
        if (x1 == CX && y1 == CY) {
            CX = x2;
            CY = y2;
        }
    }

    if (AX == 5 && AY == 8) {
        if (BX == 4 && BY == 8) {
            if (CX == 6 && CY == 8) {
                cout << "YES" << endl;
            }
        }
    }
    else {
        cout << "NO" << endl;
    }

    return 0;

}