import std.conv, std.functional, std.range, std.stdio, std.string;
import std.algorithm, std.array, std.bigint, std.complex, std.container, std.math, std.numeric, std.regex, std.typecons;
import core.bitop;

class EOFException : Throwable { this() { super("EOF"); } }
string[] tokens;
string readToken() { for (; tokens.empty; ) { if (stdin.eof) { throw new EOFException; } tokens = readln.split; } auto token = tokens.front; tokens.popFront; return token; }
int readInt() { return readToken.to!int; }
long readLong() { return readToken.to!long; }
real readReal() { return readToken.to!real; }

bool chmin(T)(ref T t, in T f) { if (t > f) { t = f; return true; } else { return false; } }
bool chmax(T)(ref T t, in T f) { if (t < f) { t = f; return true; } else { return false; } }

int binarySearch(alias pred, T)(in T[] as) { int lo = -1, hi = cast(int)(as.length); for (; lo + 1 < hi; ) { const mid = (lo + hi) >> 1; (unaryFun!pred(as[mid]) ? hi : lo) = mid; } return hi; }
int lowerBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a >= val)); }
int upperBound(T)(in T[] as, T val) { return as.binarySearch!(a => (a > val)); }


int N;
int[] A, B, C, D;

void main() {
  try {
    for (; ; ) {
      N = readInt();
      A = new int[N];
      B = new int[N];
      C = new int[N];
      D = new int[N];
      foreach (i; 0 .. N) {
        A[i] = readInt();
        B[i] = readInt();
        C[i] = readInt();
        D[i] = readInt();
      }
      
      auto xs = [2, 3, 7];
      auto ys = [8, 9, 9];
      foreach (i; 0 .. N) {
        foreach (j; 0 .. 3) {
          if (xs[j] == A[i] && ys[j] == B[i]) {
            debug {
              writeln("move ", i, " ", j);
            }
            xs[j] = C[i];
            ys[j] = D[i];
          }
        }
      }
      
      const ans = (xs == [5, 4, 6] && ys == [8, 8, 8]);
      writeln(ans ? "YES" : "NO");
    }
  } catch (EOFException e) {
  }
}