#import pysnooper
#import os,re,sys,operator,math,heapq,string
#from collections import Counter,deque
#from operator import itemgetter
#from itertools import accumulate,combinations,groupby,combinations_with_replacement
from sys import stdin,setrecursionlimit
#from copy import deepcopy

setrecursionlimit(10**6)
input=stdin.readline

n=int(input().rstrip())
mas=[[0]*10 for _ in range(10)]
now=[[""]*10 for _ in range(10)]
now[8][2]="A"
now[9][3]="B"
now[9][7]="C"
for i in range(n):
    x=list(map(int,input().split()))
    mas[x[1]][x[0]]=0
    mas[x[3]][x[2]]=1
    now[x[1]][x[0]],now[x[3]][x[2]]=now[x[3]][x[2]],now[x[1]][x[0]]
if mas[8][5] and now[8][5]=="A" and mas[8][4] and now[8][4]=="B" and mas[8][6] and now[8][6]=="C":
    print("YES")
else:
    print("NO")