#include <bits/stdc++.h>
using namespace std;
int n,x,y,a[10000],b[10000],g[10000],k[10000];
int main()
{
cin>>n;
for (int i=1; i<=n; i++)cin>>a[i]>>b[i]>>g[i]>>k[i];
cin>>x>>y;
for(int i=n; i>=1; i--)
if (x>=a[i]&&x<=a[i]+g[i]&&y>=b[i]&&y<=b[i]+k[i])return cout<<i,0;
return 0;
}