#include<cstdio>
#include<algorithm>
using namespace std;
pair <int,int> s[100001],d[100001];
int main()
{
int n,m,r,i,x,y,sol=0;
pair <int,int> *it1,*it2;
freopen("grendizer.in","r",stdin);
freopen("grendizer.out","w",stdout);
scanf("%d%d",&n,&m);
for(i=0;i<n;++i)
{
scanf("%d%d",&x,&y);
s[i]=make_pair(x+y,y);
d[i]=make_pair(x-y,y);
}
sort(s,s+n);
sort(d,d+n);
for (;m;--m)
{
scanf("%d%d%d",&x,&y,&r);
it1=lower_bound(s,s+n,make_pair(x+y-r,y-r));
it2=upper_bound(s,s+n,make_pair(x+y-r,y));
sol=it2-it1;
it1=lower_bound(s,s+n,make_pair(x+y+r,y));
it2=upper_bound(s,s+n,make_pair(x+y+r,y+r));
sol+=it2-it1;
it1=upper_bound(d,d+n,make_pair(x-y+r,y-r));
it2=lower_bound(d,d+n,make_pair(x-y+r,y));
sol+=it2-it1;
it1=upper_bound(d,d+n,make_pair(x-y-r,y));
it2=lower_bound(d,d+n,make_pair(x-y-r,y+r));
sol+=it2-it1;
printf("%d\n",sol);
}
return 0;
}