# -*- coding: utf-8 -*-

import sys
import copy

sys.setrecursionlimit(1000000)

# input = sys.stdin.readline
# from collections import defaultdict
# import bisect

# ~~~~~~~~~~~~~~~~~~~~~_(＾～＾ ｣ ∠)_~~~~~~~~~~~~~~~~~~~~~

N = int(input())

A = [[0] * 10 for i in range(10)]
A[2][8] = 1
A[3][9] = 2
A[7][9] = 3

for i in range(N):
    x1, y1, x2, y2 = map(int, input().split())
    A[x1][y1], A[x2][y2] = A[x2][y2], A[x1][y1]


if A[5][8] == 1 and A[4][8] == 2 and A[6][8]:
    print("YES")
else:
    print("NO")