#include <cstdio>
#define lm 100010

int n,m,x,y,r, a[lm], b[lm];

int main()
{
          freopen("grendizer.in","r",stdin);
          freopen("grendizer.out","w",stdout);
          scanf("%d %d", &n,&m);
          int i,j,k1,k2,cont;
          for (i=1; i<=n; i++) scanf("%d %d",&a[i],&b[i]);
          for (i=1; i<=m; i++) 
          {
                    scanf("%d %d %d",&x,&y,&r);
                    cont=0;
                    for (j=1; j<=n; j++)
                    {
                        k1=x-a[j];
                        if (k1<0) k1=-k1;
                        k2=y-b[j];
                        if (k2<0) k2=-k2;
                        if (k1+k2==r) cont++;
                    }
                    printf("%d\n",cont);
          }
          fclose(stdin);
          fclose(stdout);
          return 0;
}