#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
typedef long long ll;
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
struct Poll {
ll x, y;
};
struct Query {
ll A,B,C;
};
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
ll n,q;
cin >> n >> q;
vector<Poll> pkt(n);
for(ll i=0; i<n; ++i) cin >> pkt[i].x >> pkt[i].y;
vector<Query> Q(q);
for(ll i=0; i<q; ++i) {
cin >> Q[i].A >> Q[i].B >> Q[i].C;
Q[i].C = max(Q[i].C, Q[i].A + Q[i].B);
}
vector<ll> ans(q);
ll ile = 0;
vector<pair<ll, ll>> sweep;
for(ll i=0; i<n; ++i) sweep.push_back({pkt[i].x + pkt[i].y, i+1});
for(ll i=0; i<q; ++i) sweep.push_back({Q[i].C, -i});
sort(sweep.begin(), sweep.end());
reverse(sweep.begin(), sweep.end());
for(auto[s,i] : sweep) {
if(i > 0) {
ile++;
} else ans[-i] = ile;
}
ordered_set<ll> os;
for(auto[s,i] : sweep) {
if(i > 0) {
--i;
os.insert(pkt[i].x);
} else {
i*=-1;
ans[i] -= os.order_of_key(Q[i].A);
}
}
ordered_set<ll> os2;
for(auto[s,i] : sweep) {
if(i > 0) {
--i;
os2.insert(pkt[i].y);
} else {
i*=-1;
ans[i] -= os2.order_of_key(Q[i].B);
}
}
for(ll i=0; i<q; ++i) cout << ans[i] << "\n";
return 0;
}
