/*
 *
 *
  info-arena 2.0 - preONI 2007 Finala - Regiuni
 *
 *
 */

#include<stdio.h>
#include<string.h>
#include<stdlib.h>

#define INPUT "regiuni.in"
#define OUTPUT "regiuni.out"

FILE *fin=fopen(INPUT, "r"),*fout=fopen(OUTPUT, "w");

int n,m,dr[1001][3],panta[1001],total;
char *contor[1001];

void citire();
void init();
void rezolvare(int x, int y);
int sortat(const void *a, const void *b);
void calcul();

int main()
{
  citire();
  init();
  total=0;
  int x,y;
  for(int i=1;i<=m;++i)
  {
    fscanf(fin, "%d %d", &x,&y);
    rezolvare(x,y);
  }
  qsort((void*)contor,m,sizeof(contor[0]),sortat);
  calcul();
  for(int i=0;i<m;++i)
     delete [] contor[i];
  fclose(fin);
  fclose(fout);
  return 0;
}

void citire()
{
  fscanf(fin, "%d %d", &n, &m);
  for(int i=1;i<=n;++i)
  {
    fscanf(fin, "%d %d %d", &dr[i][0],&dr[i][1],&dr[i][2]);
    if(dr[i][0]==0)
      panta[i]=1;
    else
    if(dr[i][1]==0)
      panta[i]=2;
    else
      panta[i]=3;
  }
}

void init()
{
  for(int i=0;i<m;++i)
  {
    contor[i]=new char[m];
    memset(contor[i],0,sizeof(contor[i]));
  }
}

void rezolvare(int x, int y)
{
  ++total;
  double valverif;
    for(int j=1;j<=n;++j)
    {
      if(panta[j]==1)
      {
        valverif=(double)(-dr[j][2]/dr[j][1]);
        if(y>valverif)
          contor[total-1][j-1]='2';
        else
          contor[total-1][j-1]='1';
      }
      else
      if(panta[j]==2)
      {
        valverif=(double)(-dr[j][2]/dr[j][0]);
        if(x>valverif)
          contor[total-1][j-1]='2';
        else
          contor[total-1][j-1]='1';
      }
      else
      {
        valverif=(double)((-dr[j][2]-dr[j][0]*x));
        valverif=valverif/dr[j][1];
        if(valverif<y)
          contor[total-1][j-1]='2';
        else
          contor[total-1][j-1]='1';
      }
    }
}

int sortat(const void *a, const void *b)
{
  return (strcmp((char*)a,(char*)b));
}

void calcul()
{
  int numar=1;
  for(int i=1;i<m;++i)
  {
    if(strcmp(contor[i],contor[i-1])!=0)
     ++numar;
  }
  fprintf(fout, "%d\n", numar);
}