#include <bits/stdc++.h>
using namespace std;

using lint = long long int;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((lint)(x).size())
#define POW2(n) (1LL << (n))
#define FOR(i, begin, end) for (int i = (begin), i##_end_ = (end); i < i##_end_; i++)
#define IFOR(i, begin, end) for (int i = (end)-1, i##_begin_ = (begin); i >= i##_begin_; i--)
#define REP(i, n) FOR(i, 0, n)
#define IREP(i, n) IFOR(i, 0, n)
#ifdef LOCAL
#define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
#define eprintf(...) 42
#endif

int main()
{
    lint n;
    cin >> n;
    string ans;

    //vector<lint> x(n),y(n);
    vector<pint> xy = {make_pair(2, 8), make_pair(3, 9), make_pair(7, 9)};
    vector<pint> d = {make_pair(5, 8), make_pair(4, 8), make_pair(6, 8)};
    int x1, x2, y1, y2;
    REP(i, n) { 
        cin >> x1 >> y1 >> x2 >> y2; 
        REP(j,3){
            if(xy[j]==make_pair(x1,y1)){
                xy[j] = make_pair(x2, y2);
            }
        }
        }

    if(xy==d){
        ans = "YES";
    }else{
        ans = "NO";
    }

    cout << ans << "\n";

    return 0;
}