#include <bits/stdc++.h>

#define rep(i, n) for (int i = 0; i < (n); i++)
#define repr(i, n) for (int i = (n) - 1; i >= 0; i--)
#define range(a) a.begin(), a.end()

using namespace std;
using ll = long long;

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  cout << fixed << setprecision(15);
  int n; cin >> n;
  static int a[10][10];
  a[2][8] = 1;
  a[3][9] = 2;
  a[7][9] = 3;
  rep(i, n) {
    int x1, y1, x2, y2; cin >> x1 >> y1 >> x2 >> y2;
    swap(a[x1][y1], a[x2][y2]);
  }
  if (a[5][8] == 1 && a[4][8] == 2 && a[6][8] == 3) {
    cout << "YES" << endl;
  } else {
    cout << "NO" << endl;
  }
}