// luogu-judger-enable-o2
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
struct tan{
   int x,y,wide,length; 
} a[200000];
int n,ans;
int b,c;
int main()
{
	freopen("carpet.in","r",stdin);
	freopen("carpet.out","w",stdout);
	scanf("%d",&n);
	for(int i=1;i<=n;i++)
	{
		scanf("%d%d%d%d",&a[i].x,&a[i].y,&a[i].wide,&a[i].length);
	}
	scanf("%d%d",&b,&c);
	ans=-1;
	for(int i=1;i<=n;i++)
	{
		if(a[i].x<=b&&a[i].y<=c&&a[i].x+a[i].wide>=b&&a[i].y+a[i].length>=c)
		ans=i;
	}
    printf("%d",ans);
	return 0; 
}