#include <iostream>
#include <ranges>

using std::cin,std::cout;

constexpr const auto range = std::ranges::views::iota;

struct Point{
    int x,y;
};

const int MAX_N = 1e4+5;
int n;
Point dir;
Point arr[MAX_N][2];
int ans;

int main(){
    std::iostream::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);

    cin>>n;
    for(const int i:range(0,n)){
        for(const int j:range(0,2)){
            cin>>arr[i][j].x>>arr[i][j].y;
        }
    }
    cin>>dir.x>>dir.y;

    for(const int i:range(0,n)){
        if(arr[i][0].x<=dir.x && dir.x <= arr[i][1].x 
        && arr[i][0].y<=dir.y && dir.y <= arr[i][1].y){
            ans++;
        }
    }

    std::cout<<(ans==0?-1:ans)<<"\n";

}