#include <bits/stdc++.h>
#define endl '\n'
using namespace std;

const int N = 1e4 + 9;

int n, a[N], b[N], g[N], k[N], x, y;

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
#ifdef BIG_BANANA_A_BIG_BANANA_YOUR_FEEL_VERY_WORDFUL
	freopen(".in", "r", stdin);
	freopen(".out", "w", stdout);
#endif
	cin >> n;
	for (int i = 1; i <= n; i++)
		cin >> a[i] >> b[i] >> g[i] >> k[i];
	cin >> x >> y;
	for (int i = n; i >= 1; i--) {
		if (a[i] <= x && b[i] >= y) {
			if (a[i] + g[i] >= x && b[i] + k[i] >= y) {
				cout << i << endl;
				exit(0);
			}
		}
	}
	cout << -1 << endl;
	return 0;
}