from sys import stdin

def main():
    N = int(input())
    XY = [tuple(map(int, input().split())) for _ in [0] * N]

    board = [[0] * 10 for _ in [0] * 10]
    board[2][8] = 1
    board[3][9] = 2
    board[7][9] = 3
    for x1, y1, x2, y2 in XY:
        board[x1][y1], board[x2][y2] = board[x2][y2], board[x1][y1]

    if all((board[5][8] == 1, board[4][8] == 2, board[6][8] == 3)):
        print('YES')
    else:
        print('NO')

input = lambda: stdin.readline()[:-1]
main()