#include <cstdio>
#define INF "regiuni.in"
#define OUF "regiuni.out"
#define NMAX 1001
using namespace std;
/*struct trie
{
	int id,t;
};*/
int main()
{
	FILE *in,*out;
	in=fopen(INF,"r");
	out=fopen(OUF,"w");
	register int i,j,k,n,m;
	int a[NMAX],b[NMAX],c[NMAX],xx[NMAX],yy[NMAX];
	char st[NMAX]={0};
         long tre[NMAX],min;
		
	fscanf(in,"%d %d",&n,&m);
		
//	for(i=1;i<=n;i++) printf("%d",mask[i]);
	for(i=1;i<=n;i++)
	      	fscanf(in,"%d %d %d",a+i,b+i,c+i);
	for(i=1;i<=m;i++) 
	{
		fscanf(in,"%d %d",xx+i,yy+i);
		tre[i]=1;
	}
	
	for(i=1;i<=n;i++)
	{
//		min=(1<<31);
		for(j=1;j<=m;j++)
		{
		  if(xx[j]*a[i]+yy[j]*b[i]+c[i]>0) tre[j]=2*tre[j]+1;
		   else tre[j]=2*tre[j];
		  if(tre[j]<min) min=tre[j];
		}
//		if(min>1) for(j=1;j<=m;j++) tre[j]-=(min-1);
	}
        k=0;
	for(i=1;i<=m;i++)
	if(!st[i])
	{
		k++;st[i]=1;
		for(j=i+1;j<=m;j++) if(tre[i]==tre[j]) st[j]=1;
	}
	fprintf(out,"%d\n",k);
	fclose(in);fclose(out);
	return 0;
}