#include<iostream>
#include<cstring>
#define MAXN 10005
using namespace std;
char v[MAXN][MAXN]; 
int main() {
	memset(v,-1,sizeof(v));
	int n;
	cin>>n;
	for(int i=1;i<=n;i++) {
		int a,b,g,k;
		cin >>a>>b>>g>>k;
		for(int x=a;x<=a+g;x++)  {
			for(int y=b;y<=b+k;y++) {
				v[x][y]=i;
			}
		}
	}
	int x,y;
	cin >>x>>y;
	cout<<(int)v[x][y]<<endl;
	return 0;
}

因为int 和 short 都会MLE所以用了char