#include<bits/stdc++.h>
#define int long long
using namespace std;
const int maxN=1e7+10;

struct node{
	int x,y,a,b;
}s[maxN];

signed main(){
	int n;
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> s[i].x >> s[i].y >> s[i].a >> s[i].b;
	}
	int ax,ay;
	cin >> ax >> ay;
	for(int i=n;i>=1;i--){
		if(s[i].x<=ax && s[i].a+s[i].x>=ax  &&  s[i].y<=ay && s[i].b>=ay){
			cout << i << endl;
			return 0;
		}
	}
	cout << -1;
	
	
	
	return 0;
}