#include <bits/stdc++.h>
using namespace std;

int main(){
    int N;
    cin >> N;
    int A[10][10] = {0};
    A[2][8] = 1;
    A[3][9] = 2;
    A[7][9] = 3;
    for(int t=0; t<N; t++){
        int x1, y1, x2, y2;
        cin >> x1 >> y1 >> x2 >> y2;
        A[x2][y2] = A[x1][y1];
        A[x1][y1] = 0;
    }
    if(A[5][8] == 1 && A[4][8] == 2 && A[6][8] == 3){
        cout << "YES" << endl;
    }else{
        cout << "NO" << endl;
    }
    return 0;
}