L28 = [2, 8]
L39 = [3, 9]
L79 = [7, 9]

for _ in range(int(input())):
    a, b, c, d = map(int, input().split())
    if [a, b] == [L28[0], L28[1]]:
        L28 = [c, d]
    if [a, b] == [L39[0], L39[1]]:
        L39 = [c, d]
    if [a, b] == [L79[0], L79[1]]:
        L79 = [c, d]

print(['NO', 'YES'][L28 == [5, 8] and L39 == [4, 8] and L79 == [6, 8]])