N28 = 28
N39 = 39
N79 = 79

for _ in range(int(input())):
    a, b, c, d = map(int, input().split())
    if 10*a+b == N28:
        N28 = 10*c+d
    if 10*a+b == N39:
        N39 = 10*c+d
    if 10*a+b == N79:
        N79 = 10*c+d
        
print(['NO', 'YES'][N28 == 58 and N39 == 48 and N79 == 68])