#include <math.h>
#include <fstream.h>
int main ()
{

ifstream f ("grendizer.in");
ofstream g ("grendizer.out");

long n,m,i,j,a[100000][3],x,y,r,distanta,c;

f>>n>>m;
for (c=1;c<=n;c++) f>>a[c][1]>>a[c][2];
long damage;
for (c=1;c<=m;c++)
{
f>>x>>y>>r;
damage=0;
for (j=1;j<=n;j++) if ( (labs(x-a[j][1])+labs(y-a[j][2]) ) < r ) damage++;
g<<damage<<'\n';
}
return 0;}