#include <fstream>
using namespace std;

#define Ecu(a,b,c,x,y) ( a*x+b*y+c )
#define For(a,b,c) for(a=b;a<=c;++a)

typedef short Aux;

#define Nmax 1011
typedef int Sir; 

Sir Point,a,b,c,x,y;
bool OKE;

short Np,Nd,co;
Aux i,j;

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

int main()
{
	F>>Nd>>Np;
	
	For (i,1,Nd) F>>a>>b>>c;
	For (i,1,Np) F>>x>>y;
	
	For (i,1,Nd)
		For (j,1,Np)
			if ( Ecu( a, b, c,
				      x, y ) > 0 )
				++Point;
	
	for (int i=1;i<=Np;++i)
		if ( !OKE )
			++co,OKE=1;
	
	G<<co<<'\n';

	F.close();
	G.close();
	return 0;
}