#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
struct Query {
int type, s, t, sum, idx;
};
struct segment_tree {
vector<int> tree;
int n;
void build(int sz) {
tree.resize(4 * sz, 0);
n = sz;
}
void update(int i, int L, int R, int p) {
if (L == R) {
tree[i]++;
return;
}
int m = (L + R) / 2;
int x = 2 * i + 1, y = x + 1;
if (p <= m) {
update(x, L, m, p);
} else {
update(y, m + 1, R, p);
}
tree[i] = tree[x] + tree[y];
}
void update(int p) {
update(0, 0, n - 1, p);
}
int query(int i, int L, int R, int l, int r) {
if (L == l && r == R) {
return tree[i];
}
int m = (L + R) / 2;
int x = 2 * i + 1, y = x + 1;
if (r <= m) {
return query(x, L, m, l, r);
} else if (l > m) {
return query(y, m + 1, R, l, r);
} else {
int q1 = query(x, L, m, l, m);
int q2 = query(y, m + 1, R, m + 1, r);
return q1 + q2;
}
}
int query(int l, int r) {
return query(0, 0, n - 1, l, r);
}
} A, B;
int main() {
cin.tie(0)->sync_with_stdio(0);
int n, k;
cin >> n >> k;
vector<Query> x(n + k), y(n + k);
for (int i = 0; i < n; ++i) {
int s, t;
cin >> s >> t;
x[i] = {0, s, t, s + t, -1};
y[i] = {0, s, t, s + t, -1};
}
for (int i = n; i < n + k; ++i) {
int s, t, sum;
cin >> s >> t >> sum;
x[i] = {1, s, t, max(sum, s + t), i - n};
y[i] = {1, s, t, max(sum, s + t), i - n};
}
sort(x.begin(), x.end(), [](const Query &a, const Query &b) {
if (a.s != b.s) return a.s > b.s;
return a.type < b.type;
});
sort(y.begin(), y.end(), [](const Query &a, const Query &b) {
if (a.t != b.t) return a.t < b.t;
return a.type > b.type;
});
// for (const auto &q : x) {
// cout << q.type << " " << q.s << " " << q.t << " " << q.sum << " " << q.idx << '\n';
// }
// cout << '\n';
// for (const auto &q : y) {
// cout << q.type << " " << q.s << " " << q.t << " " << q.sum << " " << q.idx << '\n';
// }
int sz = 0;
for (Query &q : x) {
sz = max({sz, q.s, q.t, q.sum});
}
A.build(sz + 1);
B.build(sz + 1);
vector<int> ac(k), bc(k);
for (Query &q : x) {
if (q.type == 0) {
A.update(q.sum);
} else if (q.type == 1) {
ac[q.idx] = A.query(q.sum, sz);
}
}
for (Query &q : y) {
if (q.type == 0) {
B.update(q.sum);
} else if (q.type == 1) {
bc[q.idx] = B.query(q.sum, sz);
}
}
for (int i = 0; i < k; ++i) {
cout << ac[i] - bc[i] << '\n';
}
}
