/******************************************************************************

                              Online C++ Compiler.
               Code, Compile, Run and Debug C++ program online.
Write your code in this editor and press "Run" button to compile and execute it.

*******************************************************************************/

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

int main() {
    long long n,q; cin>>n>>q;
    vector<long long> a(n), b(n);

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

    for(int z=0;z<q;z++){
        int x,l,r; cin>>x>>l>>r;
        long long t = x;

        for(int i = l ; i < r; i++){
           t= max(t + a[i],t * b[i]);
        }
        long long mod= 1000000007;
        cout << t%mod << endl;
    }
}