#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int,int> pii; typedef pair<long long,long long> pll; #define pb push_back #define mp make_pair #define rep(i,n) for(int i=0;i<(n);++i) constexpr int mod=1000000007; constexpr int mod1=998244353; vector<int> dx={0,-1,0,1},dy={1,0,-1,0}; bool inside(int y,int x,int h,int w){ if(y<h && y>=0 && x<w && x>=0) return true; return false; } int main(){ cin.tie(0); ios::sync_with_stdio(false); int n;cin >> n; vector<vector<int>> a(10, vector<int>(10)); a[2][8] = 1; a[3][9] = 2; a[7][9] = 3; rep(i,n){ int x1,x2,y1,y2;cin >> x1 >> y1 >> x2 >> y2; if(a[x1][y1]){ 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; }