L = [28, 39, 79]

for _ in range(int(input())):
    a, b, c, d = map(int, input().split())
    x = 10*a + b
    y = 10*c + d
    if x in L:
        L[L.index(x)] = y
        
print(['NO', 'YES'][L == [58, 48, 68]])