#include<stdio.h>
int main()
{
	int n;
	scanf("%d", &n);
	int i, j;
	int x1, y1, x2, y2;
	int b[10][10];
	for (i = 0; i < 10; i++)
		for (j = 0; j < 10; j++)
			b[i][j] = 0;
	b[2][8] = 1;
	b[3][9] = 2;
	b[7][9] = 3;
	for (i = 0; i < n; i++)
	{
		scanf("%d %d %d %d", &x1, &y1, &x2, &y2);
		b[x2][y2] = b[x1][y1];
		b[x1][y1] = 0;
	}
	if (b[5][8] == 1 && b[4][8] == 2 && b[6][8] == 3)
		printf("YES\n");
	else
		printf("NO\n");
	return 0;
}