#include <iostream>
using namespace std;
int main(){
  int n;cin>>n;
  int ax=2,ay=8,bx=3,by=9,cx=7,cy=9;
  
  for(int i = 0; n > i; i++){
    int x1,y1,x2,y2;cin>>x1>>y1>>x2>>y2;
    if(x1 == ax && y1 == ay){
      ax=x2;ay=y2;
    }
    if(x1 == bx && y1 == by){
      bx=x2;by=y2;
    }
    if(x1 == cx && y1 == cy){
      cx=x2;cy=y2;
    }
    //cout << endl;
    //cout << ax << " " << ay << " " << bx << " " << by << " " << cx << " " << cy << endl;
  }
  if(ax==5&&ay==8&&bx==4&&by==8&&cx==6&&cy==8)cout << "YES" << endl;
  else cout << "NO" << endl;
}
//5 8 4 8 6 8