n = int(input())
move = []
for _ in range(n):
    x1, y1, x2, y2 = map(int, input().split())
    move.append([[x1, y1], [x2, y2]])

pos = [[2, 8], [3, 9], [7, 9]]
for frm, to in move:
    for i, e in enumerate(pos):
        if e == frm:
            pos[i] = to

muteki = [[5, 8], [4, 8], [6, 8]]
if pos == muteki:
    ans = "YES"
else:
    ans = "NO"

print(ans)