#include<iostream>
#include<cstdio>
using namespace std;
struct CA
{
	int a,b,c,d;
}ca[100001];
int main()
{
	freopen("carpet.in","r",stdin);
	freopen("carpet.out","w",stdout);
	int n,a,b,c,d,q,p;
	cin>>n;
	for (int i=1;i<=n;i++)
		cin>>ca[i].a>>ca[i].b>>ca[i].c>>ca[i].d;
	cin>>q>>p;
	for (int i=n;i>=1;i--)
	if (ca[i].a<=q&&ca[i].a+ca[i].c>=q&&ca[i].b<=p&&ca[i].b+ca[i].d>=p)
	{
		cout<<i;
		return 0;
	}
	cout<<"-1";
	return 0;
}