N = int(input())

# init
A, B, C = (2,8), (3,9), (7,9)

for _ in range(N):
    x, y, xt, yt = map(int, input().split())
    if (x, y) == A:
        A = (xt, yt)
    elif (x, y) == B:
        B = (xt, yt)
    elif (x, y) == C:
        C = (xt, yt)

# target
At, Bt, Ct = (5,8), (4,8), (6,8)

if (A, B, C) == (At, Bt, Ct):
    print("YES")
else:
    print("NO")