#include <bits/stdc++.h>
using namespace std;
struct node{
int a;
int b;
int g;
int k; 
};
int main(){
int n;
cin >> n;
node c[n+5];
int x,y;
for(int i=1;i<=n;i++){
    cin >> c[i].a >> c[i].b >> c[i].g >> c[i].k;
}
cin >> x >> y;
int ans=-1;
for(int i=n;i>=1;i--){
    if(x>=c[i].a&&x<=c[i].a+c[i].g&&y>=c[i].b&&y<=c[i].b+c[i].k){
        ans=i;
        break;
    }
}
cout << ans;
return 0;
}