#include<bits/stdc++.h>

using namespace std;

ifstream in("regiuni.in");
ofstream out("regiuni.out");

const int NMAX = 1e3 + 1e2;

struct Data{
  double a;
  double b;
  double c;
};

int n, m;
Data v[NMAX];

unordered_set < bitset < NMAX > > vals;

int main()
{
  in >> n >> m;

  for(int i = 0; i < n; i++) {
    in >> v[i].a >> v[i].b >> v[i].c;
  }

  for(int i = 0; i < m; i++) {
    double x, y;

    in >> x >> y;
    bitset < NMAX > tmp;

    for(int j = 0; j < n; j++) {
      if((v[j].a * x + v[j].b * y + v[j].c) > 0)
        tmp[j] = 1;
    }

    vals.insert(tmp);
  }

  out << vals.size() << '\n';

  in.close();
  out.close();

  return 0;
}