#include<bits/stdc++.h>
using namespace std;
int n;
int x,y;
int a[10000][4]; //0:a,1:b,2:g,3:k
int main() {
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>a[i][0]>>a[i][1]>>a[i][2]>>a[i][3];
	}
	cin>>x>>y;
	for(int i=n-1;i>=0;i--){
		if(a[i][0] <= x && x <= a[i][0] + a[i][2] && a[i][1] <= y && y <= a[i][1] + a[i][2]){
			cout<<i+1<<endl;
			return 0;
		}
	}
	cout<<-1<<endl;
	return 0;
}