p = [[2,8],[3,9],[7,9]]
t = [[5,8],[4,8],[6,8]]

N = int(input())
for _ in range(N):
    x1,y1,x2,y2 = input().split()
    p1 = [int(x1),int(y1)]
    if p1 in p:
        p[p.index(p1)] = [int(x2),int(y2)]

if p == t :
    print("YES")
else:print("NO")