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#include <bits/stdc++.h>
#define N 524288
#define M 1000000007
#define ll long long
#define x first
#define y second

using namespace std;

ll add(ll a, ll b) {
    return (a + b) % M;
}

ll mul(ll a, ll b) {
    return (a * b) % M;
}

int n, q, x, l, r;
ll w;
ll a[N];
ll b[N];

int main() {

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    cin >> n >> q;

    for (int i = 0; i < n; i++) {
        cin >> a[i] >> b[i];
    }

    for (int i = 0; i < q; i++) {
        cin >> x >> l >> r;
        l--;
        r--;
        w = x;
        for (int j = l + 1; j <= r; j++) {
            if (w + a[j] > w * b[j]) {
                w = add(w, a[j]);
            } else {
                w = mul(w, b[j]);
            }
        }
        cout << w << "\n";
    }

    return 0;
}