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

int main(){
  int N; cin >> N;
  int A[2] = {2,8};
  int B[2] = {3,9};
  int C[2] = {7,9};
  int R[4];


  for (int i = 0; i < N; i++){
    for (int j=0; j <4; j++) cin >> R[j];
    if (A[0]==R[0] && A[1]==R[1]) {A[0] = R[2]; A[1] = R[3];}
    else if (B[0]==R[0] && B[1]==R[1]){B[0] = R[2]; B[1] = R[3];}
    else if (C[0]==R[0] && C[1]==R[1]){C[0] = R[2]; C[1] = R[3];}

  }
  if (A[0]==5 && A[1]==8 && B[0]==4 && B[1]==8 && C[0]==6 && C[1]==8){
    cout << "YES" << endl;
  } else {
    cout << "NO" << endl;
  }
}