#include<stdio.h>
#include<stdlib.h>
#define Nmax 100003
FILE*f=fopen("grendizer.in","r");
FILE*g=fopen("grendizer.out","w");
int x[Nmax], y[Nmax];
int n,m;
int nr(int a, int b, int r)
 {
  int i;
  int k=0;
  for(i=1;i<=n;++i)
   {
    if ( abs(x[i]-a) + abs(y[i]-b) == r) ++k;
   }
  return k;
 }
int main()
 {
  fscanf(f,"%d%d",&n,&m);
  int i,a,b,r;
  for(i=1;i<=n;++i) fscanf(f,"%d%d",&x[i],&y[i]);
  while(m--)
   {
    fscanf(f,"%d%d%d",&a,&b,&r);
    fprintf(g,"%d\n",nr(a,b,r));
   }
  return 0;
  }