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#include <bits/stdc++.h>
using namespace std;

#define ll long long
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n, q, mod = 1e9+7;
    //long long w = 1;
    cin >> n >> q;

    vector<pair<int,int>>v(n);

    for(int i = 0; i < n; ++i){
        cin >> v[i].first >> v[i].second;
        //w = max(w+v[i].first, w*v[i].second);
    }
    int l, r;
    long long x;
    while(q--){
        cin >> x >> l >> r;
        for(int i = l; i < r; ++i){
            long long alfa = x+v[i].first;
            long long beta = x*v[i].second;
            x = max(alfa,beta);
        }
        cout << x%mod << "\n";
    }

    return 0;
}