#include <bits/stdc++.h>

using ll   = long long;
using uint = unsigned int;
using ull  = unsigned long long;
using ld   = long double;
template<typename T, int n>
using arr = T (&)[n];
template<typename T, int n>
using c_arr = const T (&)[n];
template<typename T>
using max_heap = std::priority_queue<T>;
template<typename T>
using min_heap = std::priority_queue<T, std::vector<T>, std::greater<T>>;
constexpr int popcount(const ull v) { return v ? __builtin_popcountll(v) : 0; }
constexpr int log2p1(const ull v) { return v ? 64 - __builtin_clzll(v) : 0; }
constexpr int lsbp1(const ull v) { return __builtin_ffsll(v); }
constexpr int clog(const ull v) { return v ? log2p1(v - 1) : 0; }
constexpr ull ceil2(const ull v) { return 1ULL << clog(v); }
constexpr ull floor2(const ull v) { return v ? (1ULL << (log2p1(v) - 1)) : 0ULL; }
constexpr bool btest(const ull mask, const int ind) { return (mask >> ind) & 1ULL; }
template<typename T> void bset(T& mask, const int ind) { mask |= ((T)1 << ind); }
template<typename T> void breset(T& mask, const int ind) { mask &= ~((T)1 << ind); }
template<typename T> void bflip(T& mask, const int ind) { mask ^= ((T)1 << ind); }
template<typename T> void bset(T& mask, const int ind, const bool b) { (b ? bset(mask, ind) : breset(mask, ind)); }
template<typename T> bool chmin(T& a, const T& b) { return (a > b ? a = b, true : false); }
template<typename T> bool chmax(T& a, const T& b) { return (a < b ? a = b, true : false); }

template<typename T> constexpr T inf_v      = std::numeric_limits<T>::max() / 4;
template<typename Real> constexpr Real pi_v = Real{3.141592653589793238462643383279502884};
constexpr ull TEN(const int n) { return n == 0 ? 1ULL : TEN(n - 1) * 10ULL; }
template<typename F> struct fix : F
{
    fix(F&& f) : F{std::forward<F>(f)} {}
    template<typename... Args> auto operator()(Args&&... args) const { return F::operator()(*this, std::forward<Args>(args)...); }
};
class printer
{
public:
    printer(std::ostream& os_ = std::cout) : os{os_} {}
    template<typename T> int operator()(const T& v) { return os << v, 0; }
    template<typename T> int operator()(const std::vector<T>& vs)
    {
        for (int i = 0; i < (int)vs.size(); i++) { os << (i ? " " : ""), this->operator()(vs[i]); }
        return 0;
    }
    template<typename T> int operator()(const std::vector<std::vector<T>>& vss)
    {
        for (int i = 0; i < (int)vss.size(); i++) { os << (0 <= i or i + 1 < (int)vss.size() ? "\n" : ""), this->operator()(vss[i]); }
        return 0;
    }
    template<typename T, typename... Args> int operator()(const T& v, const Args&... args) { return this->operator()(v), os << ' ', this->operator()(args...), 0; }
    template<typename... Args> int ln(const Args&... args) { return this->operator()(args...), os << '\n', 0; }
    template<typename... Args> int el(const Args&... args) { return this->operator()(args...), os << std::endl, 0; }
    template<typename... Args> int fmt(const std::string& s, const Args&... args) { return rec(s, 0, args...); }

private:
    int rec(const std::string& s, int index) { return os << s.substr(index, s.size()), 0; }
    template<typename T, typename... Args> int rec(const std::string& s, int index, const T& v, const Args&... args) { return index == s.size() ? 0 : s[index] == '%' ? (this->operator()(v), rec(s, index + 1, args...)) : (os << s[index], rec(s, index + 1, v, args...)); }
    std::ostream& os;
};
printer out;

template<typename T, typename F> std::vector<T> generated(const int n, F f)
{
    std::vector<T> ans(n);
    return std::generate(ans.begin(), ans.end(), f), ans;
}
std::vector<int> ioted(const int n, const int offset = 0)
{
    std::vector<int> ans(n);
    return std::iota(ans.begin(), ans.end(), offset), ans;
}
template<typename Vs> Vs reversed(const Vs& vs)
{
    auto ans = vs;
    return std::reverse(ans.begin(), ans.end()), ans;
}
template<typename T, typename F = std::less<T>> std::vector<T> sorted(const std::vector<T>& vs, F comp = F{})
{
    auto ans = vs;
    return std::sort(ans.begin(), ans.end(), comp), ans;
}
template<typename F> std::vector<int> sorted_iota(const int n, F comp = F{}, const int offset = 0) { return sorted(ioted(n, offset), comp); }
class scanner
{
public:
    scanner(std::istream& is_ = std::cin) : is{is_} { is.tie(nullptr), std::ios::sync_with_stdio(false); }
    template<typename T> T val()
    {
        static T v;
        return is >> v, v;
    }
    template<typename T> T val(const T offset) { return val<T>() - offset; }
    template<typename T> std::vector<T> vec(const int n)
    {
        return generated<T>(n, [&] { return val<T>(); });
    }
    template<typename T> std::vector<T> vec(const int n, const T offset)
    {
        return generated<T>(n, [&] { return val<T>(offset); });
    }
    template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1)
    {
        return generated<std::vector<T>>(n0, [&] { return vec<T>(n1); });
    }
    template<typename T> std::vector<std::vector<T>> vvec(const int n0, const int n1, const T offset)
    {
        return generated<std::vector<T>>(n0, [&] { return vec<T>(n1, offset); });
    }
    template<typename... Args> auto tup() { return std::tuple<std::decay_t<Args>...>{val<Args>()...}; }
    template<typename... Args> auto tup(const Args&... offsets) { return std::tuple<std::decay_t<Args>...>{val<Args>(offsets)...}; }

private:
    std::istream& is;
};
scanner in;
#    define SHOW(...) static_cast<void>(0)

template<typename T, typename Int, int n, int i> auto make_v(typename std::enable_if<(i == n), c_arr<Int, n>>::type, const T& v = T{}) { return v; }
template<typename T, typename Int, int n, int i> auto make_v(typename std::enable_if<(i < n), c_arr<Int, n>>::type szs, const T& v = T{}) { return std::vector<decltype(make_v<T, Int, n, i + 1>(szs, v))>(szs[i], make_v<T, Int, n, i + 1>(szs, v)); }
template<typename T, typename Int, int n> auto make_v(c_arr<Int, n> szs, const T& t = T{}) { return make_v<T, Int, n, 0>(szs, t); }
int main()
{
    constexpr int L = 100000;
    const auto N    = in.val<int>();
    const int H     = 9;
    std::vector<int> vs(std::max(N + 1, 1 << H), 0), ws(std::max(N + 1, 1 << H), 0);
    for (int i = 1; i <= N; i++) { vs[i] = in.val<int>(), ws[i] = in.val<int>(); }
    using pii = std::pair<int, int>;
    std::vector<std::vector<pii>> ucandss(1 << H);
    std::vector<std::vector<int>> dps(1 << H, std::vector<int>(L + 1, 0));
    ucandss[0] = {{0, 0}};
    for (int i = 1; i < (1 << H); i++) {
        const int pi = i / 2;
        std::vector<pii> add;
        for (const auto& [w, v] : ucandss[pi]) {
            const int nw = w + ws[i], nv = v + vs[i];
            if (nw > L) { break; }
            add.push_back({nw, nv});
        }
        std::merge(ucandss[pi].begin(), ucandss[pi].end(), add.begin(), add.end(), std::back_inserter(ucandss[i]));
        for (const auto& p : ucandss[i]) { dps[i][p.first] = p.second; }
        for (int j = 1; j <= L; j++) { chmax(dps[i][j], dps[i][j - 1]); }
    }
    const auto Q = in.val<int>();
    for (int q = 0; q < Q; q++) {
        const auto [u, l] = in.tup<int, int>();
        std::vector<pii> lcands{{0, 0}};
        int i = u;
        for (; i >= (1 << H); i /= 2) {
            std::vector<pii> add;
            for (const auto& [w, v] : lcands) {
                const int nw = w + ws[i], nv = v + vs[i];
                if (nw > L) { break; }
                add.push_back({nw, nv});
            }
            const int len = lcands.size();
            for (const auto& p : add) { lcands.push_back(p); }
            std::inplace_merge(lcands.begin(), lcands.begin() + len, lcands.end());
        }
        int v = 0;
        for (auto& p : lcands) { chmax(v, p.second), chmax(p.second, v); }
        int max = 0;
        for (const auto& [lw, lv] : lcands) {
            if (lw > l) { break; }
            const int rw = l - lw;
            chmax(max, lv + dps[i][rw]);
        }
        out.ln(max);
    }
    return 0;
}


Measured memory_bytes: 207456