#include <cstdlib>
#include <iostream>
#include <cstdio>
#include <cstring>

using namespace std;

const int maxn=10010;
struct we{
       int x1,y1,x2,y2;
} a[maxn];

int main()
{
    freopen("carpet.in","r",stdin);
    freopen("carpet.out","w",stdout);
    int n;int cnt=-1;int x0,y0;
    scanf("%d",&n);
    for(int i=1;i<=n;i++)
        scanf("%d%d%d%d",&a[i].x1,&a[i].y1,&a[i].x2,&a[i].y2);
    scanf("%d%d",&x0,&y0);
    for(int i=1;i<=n;i++)
    {
        if(a[i].x1>x0||a[i].x1+a[i].x2<x0||a[i].y1>y0||a[i].y1+a[i].y2<y0) continue;
        cnt=i;
    }
    printf("%d\n",cnt);
    return 0;
}