n = int(input())
x1, y1 = 2, 8 # 5, 8
x2, y2 = 3, 9 # 4, 8
x3, y3 = 7, 9 # 6, 8
for _ in range(n):
    x, y, a, b = map(int, input().split())
    if x == x1 and y == y1:
        x1, y1 = a, b
    elif x == x2 and y == y2:
        x2, y2 = a, b
    elif x == x3 and y == y3:
        x3, y3 = a, b

if x1 == 5 and y1 == 8 and x2 == 4 and y2 == 8 and x3 == 6 and y3 == 8:
    print("YES")
else:
    print("NO")