#include<fstream.h>
int calc_y(int a,int b,int c,int x)
{
if(!b)return 0;
return (-c-a*x)/b;
}
int calc_x(int a,int b,int c,int y)
{
if(!a)return 0;
return (-c-b*y)/a;
}
struct linie
{
int a,b,c;
};
struct retinute
{
int k,l;
};
int rez_k(int y,int n,linie l[1000],int x)
{
int nr=0;
for(int i=1;i<=n;i++)if(calc_x(l[i].a,l[i].b,l[i].c,y)<x)nr++;
return nr;
}
int rez_l(int x,int n, linie l[1000],int y)
{
int nr=0;
for(int i=1;i<=n;i++)if(calc_y(l[i].a,l[i].b,l[i].c,x)<y)nr++;
return nr;
}
int adauga(retinute r[1000],int k,int l,int nr)
{
for(int i=0;i<nr;i++)if(r[i].k==k&&r[i].l==l)return 0;
r[nr].k=k;r[nr].l=l;return 1;
}
main()
{
ifstream fi("regiuni.in");ofstream fo("regiuni.out");
int m,n,x,y,k,l,nr=0;
linie ln[100];retinute r[100];
fi>>n>>m;
for(int i=1;i<=n;i++)fi>>ln[i].a>>ln[i].b>>ln[i].c;
for(int i=1;i<=m;i++)
  {
  fi>>x>>y;
  k=rez_k(y,n,ln,x);
  l=rez_l(x,n,ln,y);
  nr+=adauga(r,k,l,nr);
  }
fo<<nr;
}