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#include <bits/stdc++.h>
#define F first
#define S second
#define pii pair<long long,long long>
using namespace std;
using ll = long long;
using ld = long double;

constexpr int SIZE = 5e5+5;
constexpr int MOD = 1e9+7;

pii tab[SIZE];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, q;
    cin >> n >> q;

	for (int i=1; i<=n; i++) cin >> tab[i].F >> tab[i].S;

	ll x, l, r;

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

		bool dmod = 0;

		for (int i=l; i<=r; i++){
			if (tab[i].S == 1) x += tab[i].F; 
			else if (dmod) x *= tab[i].S;
			else x = max(x+tab[i].F, x*tab[i].S);

			if (x >= MOD) dmod = 1;
			x %= MOD;
			
		}

		cout << x << '\n';
	}

return 0;}