#include <iostream>
#include <algorithm>
#include <vector>
#include <map>
#include <set>
#include <cmath>
#include <array>
#include <string>
#include <cstdio>
#include <iterator>
#include <unordered_set>
#include <cstdint>
#include <queue>
#include <stack>
#include <deque>
#include <numeric>
#include <fstream>
#include <bitset>
#include <iomanip>
using namespace std;

#pragma GCC optimize("O2")
// #pragma GCC optimize("O1","O2","O3","Ofast","unroll-loops")
// #pragma GCC target("sse","sse2","sse3","sse4.1","sse4.2","avx","avx2")

template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; }
template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; }
void dbg_out() { cout << endl; }
template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cout << ' ' << H; dbg_out(T...); }
#ifdef LOCAL
#define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif

/*

notes:

int64_t
stoi(string s) -> string to int
to_string() -> int (or else) to string

vector declaration:
vector<ll> v(n, 0)
vector<vector<ll>> v(n, vector<ll>(n, 0));

{if statement} ? {truth value} : {false value}

set lower bound/upper bound:
 	// . . . m1 . . . d . . . . m2
    auto m1_it = b.lower_bound(d);
    advance(m1_it, -1);
    m1 = *m1_it;
	m2 = *b.upper_bound(d);

#ifdef LOCAL
    freopen("in.txt","r",stdin);
    freopen("out.txt","w",stdout);
#endif

constexpr auto lcm(auto x, auto... xs)
{
	return ((x = std::lcm(x, xs)), ...);
}

std::gcd(int a, int b)

cout << setprecision(n);

*/

typedef long long ll;

ll angle(double a, double b, double c) {
	// we get the cosine of the angle FACING side 'a'

	// changed: a is actually a distance squared

	if(a == b + c) {
		return 90;
	}

	if(a > b + c) {
		return 100;
	}else{
		return 50;
	}

	/*
	if(a * a == b * b + c * c) {
		return 90;
	}

	if(a * a > b * b + c * c) {
		return 100;
	}else{
		return 50;
	}
	*/
	
	double cosine = (b * b + c * c - a * a) / (2 * b * c);
	
	//cerr << "\na=" << a;
	//cerr << "\nb=" << b;
	//cerr << "\nc=" << c;
	//cerr << "\ncos=" << cosine;

	if(cosine == 0 || cosine == 1 || cosine == -1) {
		return 90;
	}
	
	
	if(cosine < 0) {
		return 100;
	}else{
		return 50;
	}

}

double dis(pair<ll,ll> a, pair<ll,ll> b) {

	double x = abs(b.first - a.first);
	double y = abs(b.second - a.second);

	//return sqrtl(x * x + y * y);
	return x * x + y * y;
}

void solve() {
	pair<ll,ll> tl;
	pair<ll,ll> tr;
	pair<ll,ll> br;
	pair<ll,ll> bl; // bottomleft

	cin >> tl.first >> tl.second;
	cin >> tr.first >> tr.second;
	cin >> br.first >> br.second;
	cin >> bl.first >> bl.second;

	ll n;
	cin >> n;

	vector<pair<ll,ll>> v(n, {0,0});
	for(ll i = 0; i < n; i++) {
		cin >> v[i].first >> v[i].second;
	}

	ll sum = 0;

	/*
	if(dis(bl, tl) == 0 || dis(tl, tr) == 0) {
		cout << "0";
		return;
	}
	*/

	for(ll i = 0; i < n; i++) {

		double a1, a2, a3, c1, c2, c3, b3, d3;
		a1 = dis(tl, v[i]);
		a2 = dis(tr, v[i]);
		a3 = dis(tl, tr);

		c1 = dis(v[i], br);
		c2 = dis(v[i], bl);
		c3 = dis(bl, br);

		b3 = dis(tr, br);
		d3 = dis(tl, bl);

		vector<ll> angles;
		ll anga = 0;
		ll angb = 0;
		ll angc = 0;
		ll angd = 0;

		anga = max(anga, angle(a3, a1, a2));
		//anga = max(anga, angle(a2, a1, a3));
		//anga = max(anga, angle(a1, a2, a3));

		angb = max(angb, angle(b3, c1, a2));
		//angb = max(angb, angle(c1, a2, b3));
		//angb = max(angb, angle(a2, c1, b3));

		angc = max(angc, angle(c3, c1, c2));
		//angc = max(angc, angle(c1, c3, c2));
		//angc = max(angc, angle(c2, c1, c3));

		angd = max(angd, angle(d3, c2, a1));
		//angd = max(angd, angle(c2, d3, a1));
		//angd = max(angd, angle(a1, c2, d3));

		angles.push_back(anga);
		angles.push_back(angb);
		angles.push_back(angc);
		angles.push_back(angd);
		sort(angles.begin(), angles.end());

		//cerr << "\nangles=" << angles;

		if(angles[0] == 50 && angles[1] == 50 && angles[2] == 100 && angles[3] == 100) {
			sum++;
		}

	}

	cout << sum;

}

int main()
{
	std::ios_base::sync_with_stdio(false);
	//cin.tie(nullptr);
	//cout.tie(nullptr);

	solve();

	return 0;
}