#include <iostream>
#include <fstream>
#include <cstdlib>

int main()
{
	using namespace std;
	int nemeber = 0;
	cin >> nemeber;
	int* a = new int[nemeber];
	int* b = new int[nemeber];
	int* g = new int[nemeber];
	int* k = new int[nemeber];
	for (int i = 0; i < nemeber; i++)
	{
		cin >> a[i] >> b[i] >> g[i] >> k[i];
	}
	int out[2];
	cin >> out[0] >> out[1];
	int nemeber_a = 0;
	for (int i = 0; i < nemeber; i++)
	{
		if (a[i] <= out[0] && (a[i] + g[i]) >= out[0] && b[i] <= out[1] && (b[i] + k[i]) >= out[1]) nemeber_a++;
	}
	if (nemeber_a == 0)cout << "-1";
	else cout << nemeber_a;

    return 121;
}