#include <stdio.h>

int main(void){
  int i, j;

  int n;
  scanf("%d", &n);

  int piece[3][2]={{2, 8}, {3, 9}, {7, 9}};
  int finish[3][2]={{5, 8}, {4, 8}, {6, 8}};

  int x_1, x_2, y_1, y_2;
  for(i=0; i<n; i++){
    scanf("%d%d%d%d", &x_1, &y_1, &x_2, &y_2);
    for(j=0; j<3; j++){
      if(piece[j][0] == x_1 && piece[j][1] == y_1){
        piece[j][0]=x_2;
        piece[j][1]=y_2;
      }
    }
  }

  for(i=0; i<n; i++){
    //printf("%d %d\n", piece[i][0], piece[i][1]);
  }

  int flag=0;
  for(i=0;i<3;i++){
    if(piece[i][0] != finish[i][0] || piece[i][1] != finish[i][1]){
      flag=1;
      break;
    }
  }

  if(flag == 0){
    printf("YES\n");
  }else{
    printf("NO\n");
  }

  return 0;
}