#include <bits/stdc++.h>
using namespace std;
int a[10005],b[10005],c[10005],d[10005];
int main(){
	int n;
	scanf("%d",&n);
	for(int i=1;i<=n;i++){
		scanf("%d%d%d%d",&a[i],&b[i],&c[i],&d[i]);
	}
	int x,y;
	scanf("%d%d",&x,&y);
	for(int i=n;i>0;i--){
		if(a[i]<=x&&a[i]+c[i]>=x&&b[i]<=y&&b[i]+d[i]>=y){
			printf("%d\n",i);
			return 0;
		}
	}
	printf("-1\n");
	return 0;
}