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

template <typename T> T mod_inv_in_range(T a, T m) {
	// assert(0 <= a && a < m);
	T x = a, y = m;
	// coeff of a in x and y
	T vx = 1, vy = 0;
	while (x) {
		T k = y / x;
		y %= x;
		vy -= k * vx;
		std::swap(x, y);
		std::swap(vx, vy);
	}
	assert(y == 1);
	return vy < 0 ? m + vy : vy;
}

template <typename T> struct extended_gcd_result {
	T gcd;
	T coeff_a, coeff_b;
};
template <typename T> extended_gcd_result<T> extended_gcd(T a, T b) {
	T x = a, y = b;
	// coeff of a and b in x and y
	T ax = 1, ay = 0;
	T bx = 0, by = 1;
	while (x) {
		T k = y / x;
		y %= x;
		ay -= k * ax;
		by -= k * bx;
		std::swap(x, y);
		std::swap(ax, ay);
		std::swap(bx, by);
	}
	return {y, ay, by};
}

template <typename T> T mod_inv(T a, T m) {
	a %= m;
	a = a < 0 ? a + m : a;
	return mod_inv_in_range(a, m);
}

template <int MOD_> struct modnum {
	static constexpr int MOD = MOD_;
	static_assert(MOD_ > 0, "MOD must be positive");

private:
	int v;

public:

	modnum() : v(0) {}
	modnum(int64_t v_) : v(int(v_ % MOD)) { if (v < 0) v += MOD; }
	explicit operator int() const { return v; }
	friend std::ostream& operator << (std::ostream& out, const modnum& n) { return out << int(n); }
	friend std::istream& operator >> (std::istream& in, modnum& n) { int64_t v_; in >> v_; n = modnum(v_); return in; }

	friend bool operator == (const modnum& a, const modnum& b) { return a.v == b.v; }
	friend bool operator != (const modnum& a, const modnum& b) { return a.v != b.v; }

	modnum inv() const {
		modnum res;
		res.v = mod_inv_in_range(v, MOD);
		return res;
	}
	friend modnum inv(const modnum& m) { return m.inv(); }
	modnum neg() const {
		modnum res;
		res.v = v ? MOD-v : 0;
		return res;
	}
	friend modnum neg(const modnum& m) { return m.neg(); }

	modnum operator- () const {
		return neg();
	}
	modnum operator+ () const {
		return modnum(*this);
	}

	modnum& operator ++ () {
		v ++;
		if (v == MOD) v = 0;
		return *this;
	}
	modnum& operator -- () {
		if (v == 0) v = MOD;
		v --;
		return *this;
	}
	modnum& operator += (const modnum& o) {
		v -= MOD-o.v;
		v = (v < 0) ? v + MOD : v;
		return *this;
	}
	modnum& operator -= (const modnum& o) {
		v -= o.v;
		v = (v < 0) ? v + MOD : v;
		return *this;
	}
	modnum& operator *= (const modnum& o) {
		v = int(int64_t(v) * int64_t(o.v) % MOD);
		return *this;
	}
	modnum& operator /= (const modnum& o) {
		return *this *= o.inv();
	}

	friend modnum operator ++ (modnum& a, int) { modnum r = a; ++a; return r; }
	friend modnum operator -- (modnum& a, int) { modnum r = a; --a; return r; }
	friend modnum operator + (const modnum& a, const modnum& b) { return modnum(a) += b; }
	friend modnum operator - (const modnum& a, const modnum& b) { return modnum(a) -= b; }
	friend modnum operator * (const modnum& a, const modnum& b) { return modnum(a) *= b; }
	friend modnum operator / (const modnum& a, const modnum& b) { return modnum(a) /= b; }
};

template <typename T> T pow(T a, long long b) {
	assert(b >= 0);
	T r = 1; while (b) { if (b & 1) r *= a; b >>= 1; a *= a; } return r;
}

namespace atcoder {

namespace internal {

#if __cplusplus >= 202002L

using std::bit_ceil;

#else

// @return same with std::bit::bit_ceil
unsigned int bit_ceil(unsigned int n) {
    unsigned int x = 1;
    while (x < (unsigned int)(n)) x *= 2;
    return x;
}

#endif

// @param n `1 <= n`
// @return same with std::bit::countr_zero
int countr_zero(unsigned int n) {
#ifdef _MSC_VER
    unsigned long index;
    _BitScanForward(&index, n);
    return index;
#else
    return __builtin_ctz(n);
#endif
}

// @param n `1 <= n`
// @return same with std::bit::countr_zero
constexpr int countr_zero_constexpr(unsigned int n) {
    int x = 0;
    while (!(n & (1 << x))) x++;
    return x;
}

}  // namespace internal

}  // namespace atcoder

namespace atcoder {

#if __cplusplus >= 201703L

template <class S, auto op, auto e> struct segtree {
    static_assert(std::is_convertible_v<decltype(op), std::function<S(S, S)>>,
                  "op must work as S(S, S)");
    static_assert(std::is_convertible_v<decltype(e), std::function<S()>>,
                  "e must work as S()");

#else

template <class S, S (*op)(S, S), S (*e)()> struct segtree {

#endif

  public:
    segtree() : segtree(0) {}
    explicit segtree(int n) : segtree(std::vector<S>(n, e())) {}
    explicit segtree(const std::vector<S>& v) : _n(int(v.size())) {
        size = (int)internal::bit_ceil((unsigned int)(_n));
        log = internal::countr_zero((unsigned int)size);
        d = std::vector<S>(2 * size, e());
        for (int i = 0; i < _n; i++) d[size + i] = v[i];
        for (int i = size - 1; i >= 1; i--) {
            update(i);
        }
    }

    void set(int p, S x) {
        assert(0 <= p && p < _n);
        p += size;
        d[p] = x;
        for (int i = 1; i <= log; i++) update(p >> i);
    }

    S get(int p) const {
        assert(0 <= p && p < _n);
        return d[p + size];
    }

    S prod(int l, int r) const {
        assert(0 <= l && l <= r && r <= _n);
        S sml = e(), smr = e();
        l += size;
        r += size;

        while (l < r) {
            if (l & 1) sml = op(sml, d[l++]);
            if (r & 1) smr = op(d[--r], smr);
            l >>= 1;
            r >>= 1;
        }
        return op(sml, smr);
    }

    S all_prod() const { return d[1]; }

    template <bool (*f)(S)> int max_right(int l) const {
        return max_right(l, [](S x) { return f(x); });
    }
    template <class F> int max_right(int l, F f) const {
        assert(0 <= l && l <= _n);
        assert(f(e()));
        if (l == _n) return _n;
        l += size;
        S sm = e();
        do {
            while (l % 2 == 0) l >>= 1;
            if (!f(op(sm, d[l]))) {
                while (l < size) {
                    l = (2 * l);
                    if (f(op(sm, d[l]))) {
                        sm = op(sm, d[l]);
                        l++;
                    }
                }
                return l - size;
            }
            sm = op(sm, d[l]);
            l++;
        } while ((l & -l) != l);
        return _n;
    }

    template <bool (*f)(S)> int min_left(int r) const {
        return min_left(r, [](S x) { return f(x); });
    }
    template <class F> int min_left(int r, F f) const {
        assert(0 <= r && r <= _n);
        assert(f(e()));
        if (r == 0) return 0;
        r += size;
        S sm = e();
        do {
            r--;
            while (r > 1 && (r % 2)) r >>= 1;
            if (!f(op(d[r], sm))) {
                while (r < size) {
                    r = (2 * r + 1);
                    if (f(op(d[r], sm))) {
                        sm = op(d[r], sm);
                        r--;
                    }
                }
                return r + 1 - size;
            }
            sm = op(d[r], sm);
        } while ((r & -r) != r);
        return 0;
    }

  private:
    int _n, size, log;
    std::vector<S> d;

    void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); }
};

}  // namespace atcoder

using ll = int64_t;
using num = modnum<int(1e9)+7>;

struct info {
	num c1, c0;
	// x -> Ax + B
	ll add_sum;
	ll min_start_mult;
};

int main(){
	ios_base::sync_with_stdio(false), cin.tie(nullptr);
	int N, Q;
	cin >> N >> Q;
	vector<ll> A(N), B(N);
	for(int i = 0; i < N; i++) cin >> A[i] >> B[i];

	const ll INF = ll(1.01e9);
	atcoder::segtree<info,
		[](info x, info y) -> info {
			return info {
				y.c1 * x.c1,
				y.c1 * x.c0 + y.c0,
				x.add_sum + y.add_sum,
				min(x.min_start_mult, y.min_start_mult - x.add_sum),
			};
		},
		[]() -> info {
			return info {num(1), num(0), 0, INF};
		}
	> seg(N);
	for(int i = 0; i < N; i++){
		seg.set(i,
			info {
				B[i],
				(B[i] > 1) ? 0 : A[i],
				A[i],
				(B[i] > 1) ? (A[i] / (B[i] - 1) + 1) : INF,
			}
		);
	}

	for(int q = 0; q < Q; q++){
		ll X;
		int L, R;
		cin >> X >> L >> R;
		bool done = false;
		num v;
		while(L < R){
			int cr = min(R, seg.max_right(L, [&](info res) -> bool {
				return res.min_start_mult > X;
			}));
			if(cr == L){
				assert(A[L] + X <= B[L] * X);
				X *= B[L];
				L++;
			} else {
				// ll fX = X;
				// for(int j = L; j < cr; j++){
				// 	fX = max(fX + A[j], fX * B[j]);
				// }
				X += seg.prod(L, cr).add_sum;
				// assert(fX == X);
				L = cr;
			}
			if(X > INF){
				auto rest = seg.prod(L, R);
				v = X * rest.c1 + rest.c0;
				L = R;
				done = true;
			}
		}
		if(!done) v = X;
		cout << v << '\n';
	}
}