#include <cstdio>
#include <set>
#define maxn 1024
using namespace std;
struct point { int x, y;};

point x[maxn];
int a[maxn], b[maxn], c[maxn];
int n, m;
void citire()
{
	freopen("regiuni.in", "r", stdin);
	scanf("%d %d\n", &n, &m);
	int i;
	for(i=1;i<=n;i++) scanf("%d %d %d\n", &a[i], &b[i], &c[i]);
	for(i=1;i<=m;i++) scanf("%d %d\n", &x[i].x, &x[i].y);
}
int s[maxn];


int verifica(int i, int j)
{
	point t=x[j];
	long long r=t.x*a[i]+t.y*b[i]+c[i];
	if(r>0) return 1;
	return 0;
}


void calcul()
{
	int i, j;
	
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=m;j++)
		if(verifica(i, j)) s[i]++;
	}
	set<int>Q;
	for(i=1;i<=n;i++) Q.insert(s[i]);
	
	freopen("regiuni.out", "w", stdout);
	printf("%d\n", Q.size());
	
//	for(i=1;i<=n;i++) printf("%d ", s[i]);
}

int main()
{
	citire();
	calcul();
	return 0;
}