use std::mem::swap;


fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    let queries = (0..n).map(|_| {
            let mut temp = String::new();
            std::io::stdin().read_line(&mut temp).ok();
            let temp: Vec<usize> = temp.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
            (temp[0]-1, temp[1]-1, temp[2]-1, temp[3]-1)
        })
        .collect::<Vec<_>>();

    let mut grid = (0..9).map(|i| (0..9).map(|j| i*9+j).collect::<Vec<_>>()).collect::<Vec<_>>();
    for &(sx, sy, gx, gy) in queries.iter() {
        (grid[gx][gy], grid[sx][sy]) = (grid[sx][sy], grid[gx][gy]);
    }
    if grid[4][7] == 1*9+7 && grid[3][7] == 2*9+8 && grid[5][7] == 6*9+8 {
        println!("YES");
    } else {
        println!("NO");
    }
}