#include<iostream>
#include<cstdio>
using namespace std;
int n,up;
int a[10001]={0},b[10001]={0},g[10001]={0},k[10001]={0};
int m=0,x,y;
int main(){
	freopen("carpet.in","r",stdin);
	freopen("carpet.out","w",stdout);	
	cin>>n;
	up=n;
	for(int i=1;i<=n;i++)
	{
		cin>>a[i]>>b[i]>>g[i]>>k[i];
	}
	cin>>x>>y;
	while(up>=1)
    {
    	if(x>=a[up]&&y>=b[up]&&x<=a[up]+g[up]&&y<=b[up]+k[up])
    	{
    		cout<<up;
    		m=1;
    		break;
		}
    	up-=1;
	}
	if(m==0)
	{
		cout<<"-1";
	}
	return 0;
}