#include <stdio.h>

int main(void) {
  int n;
  scanf("%d", &n);

  int grid[9][9]={0};
  grid[2-1][8-1]=1;
  grid[3-1][9-1]=2;
  grid[7-1][9-1]=3;

  for (int i=0; i<n; i++) {
    int x1, y1, x2, y2;
    scanf("%d %d %d %d", &x1, &y1, &x2, &y2);

    if (grid[x1-1][y1-1]!=0) {
      grid[x2-1][y2-1]=grid[x1-1][y1-1];
      grid[x1-1][y1-1]=0;
    }
  }

  if (grid[4][7]==1 && grid[3][7]==2 && grid[5][7]==3) {
    printf("YES\n");
  } else {
    printf("NO\n");
  }

  return 0;
}