#include<bits/stdc++.h>
using namespace std;
int a[11000],b[11000],g[11000],k[11000];
int main()
{
	int n,x,y,sum=0;
	cin>>n;
	for(int i=1;i<=n;i++)
		cin>>a[i]>>b[i]>>g[i]>>k[i];
	cin>>x>>y;
	for(int i=1;i<=n;i++)
		if(x>=a[i]&&x<=a[i]+g[i])
			if(y>=b[i]&&y<=b[i]+k[i])
				sum++;
	if(sum!=0)
		cout<<sum;
	else
		cout<<-1;
	return 0;
}