#include <bits/stdc++.h> 
using namespace std;
const int N = 100000;

int main()
{
	int a[4][N], n, c, d, flag = -1;
	cin >> n;
	
	if(n == 0) {
		cin >> c >> d;
		cout << "-1";
		return 0;
	}
	for(int i = 1; i <= n; i ++ )
	{   
		cin >> a[0][i] >> a[1][i] >> a[2][i] >> a[3][i];
	 } 
	 cin >> c >> d;
	 
	 for(int i = n; i > 0 ; i -- )
	 	if(c >= a[0][i] && c <= a[2][i]  && d >= a[1][i] && d <= a[3][i] )
		{
			flag = i;
			break;
		}
	 cout << flag;
	 return 0;
}