#include <bits/stdc++.h>
using namespace std;
using lint = long long;
template<class T = int> using V = vector<T>;
template<class T = int> using VV = V< V<T> >;

int main() {
  cin.tie(nullptr); ios::sync_with_stdio(false);
  int n; cin >> n;
  V<> x{2, 3, 7}, y{8, 9, 9};
  while (n--) {
    int a, b, c, d; cin >> a >> b >> c >> d;
    for (int i = 0; i < 3; ++i) if (x[i] == a and y[i] == b) {
      x[i] = c, y[i] = d;
    }
  }
  cout << (x == V<>{5, 4, 6} and y == V<>{8, 8, 8} ? "YES" : "NO") << '\n';
}