#include <cstdio>
#include <vector>
#define mod 100003
#define maxn 1010

using namespace std;

struct dreapta {
	int a, b, c;
};

struct punct {
	int x, y;
};

int n, m, i, j, nr, sol, k, nra;
dreapta v[maxn];
punct t[maxn];
vector <int> x[1010];
vector <int> v1[1010], v2[1010];



int main() {
	freopen("regiuni.in", "r", stdin);
	freopen("regiuni.out", "w", stdout);
	
	scanf("%d%d", &n, &m);
	for (i = 1; i <= n; i++)
		scanf("%d%d%d", &v[i].a, &v[i].b, &v[i].c);
	for (i = 1; i <= m; i++) {
		scanf("%d%d", &t[i].x, &t[i].y);
		x[1].push_back(i);
	}
	nr = 1;
	
	for (i = 1; i <= n; i++) {
		//fac treaba pentru dreapta i
		nra = nr;
		for (j = 1; j <= nra; j++) {
			v1[j].clear(); v2[j].clear();
			for (k = 0; k < x[j].size(); k++)
				if (v[i].a * t[x[j][k]].x + v[i].b * t[x[j][k]].y + v[i].c < 0)
					v1[j].push_back(x[j][k]);
				else
					v2[j].push_back(x[j][k]);
			if (v2[j].size() && v1[j].size()) {
				nr++;
				x[nr] = v2[j];
				x[j] = v1[j];
			}
			else 
				if (v1[j].size())
					x[j] = v1[j];
				else
					x[j] = v2[j];
		}
	}
	
	printf("%d\n", nr);
	
	return 0;
}