#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast")

#define PII pair<int,int>

using namespace std;

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

int n,q;

vector<PII>v;

int main(){

    in>>n>>q;

    while(n--){
        int x,y;
        in>>x>>y;
        v.push_back({x,y});
    }

    while(q--){
        int x,y,r;

        in>>x>>y>>r;

        int sol = 0;

        for(auto i : v){
            if(r == abs(i.first-x) + abs(i.second - y))sol++;
        }

        out<<sol<<'\n';
    }

    return 0;
}