#include<bits/stdc++.h>
using namespace std;
int x[10005],y[10005],a[10005],b[10005],ans=-1;
int main()
{
	int n,d,d1;
	cin>>n;
	for(int i=1;i<=n;i++) cin>>a[i]>>b[i]>>x[i]>>y[i];
	cin>>d>>d1;
	for(int i=1;i<=n;i++)
	{
		if((a[i]<=d&&x[i]>=d)&&(b[i]<=d1&&y[i]>=d1)) ans=i;
	}
	cout<<ans;
	return 0;
}