#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
ifstream f ("regiuni.in");
ofstream g ("regiuni.out");
int d ,p, a,b,c,x,y;
int v[3][1001];

int num[1001][1001];
int main()
{
    f>>d>>p;
    for(int i=1;i<=d;++i)
    {
        f>>a>>b>>c;
        v[1][i]=a;
        v[2][i]=b;
        v[3][i]=c;
      //  cout<<v[1][i]<<v[2][i]<<v[3][i]<<"\n";
    }
    int k=0;
    for(int i=1;i<=p;++i)
    {
    ////    cout<<"\n pct "<<i<<":  ";
        f>>x>>y;
        int tmp[1001];

        for(int j=1;j<=d;++j)
        {

            if(x*v[1][j]+y*v[2][j]+v[3][j] >0)
                tmp[j]=1;
            else tmp[j]=0;
    //        cout<<tmp[j]<<" ";
        }
        int sw=0;
        for(int y=0;y<=k;++y)
        {
            sw=0;
            for(int t=1;t<=d;++t)
            {
      ////          cout<<"\n tmp:"<<tmp[t]<<"  at "<< y<< ": "<<num[y][t];
                if(tmp[t] != num[y][t])
                {
                    sw=1;
                    break;
                }
            }
            if(sw==0)
                break;

        }
     //   cout<<"=>"<<sw<<"\n\n\n";

        if(sw==1)
        {
            for(int t=1;t<=d;++t)
            {
                num[k][t]=tmp[t];

            }
             k++;
        }



    }
    g<<k;
    return 0;
}