#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <set>
#include <queue>
#include <cassert>

template <class T>
using MinHeap = std::priority_queue<T, std::vector<T>, std::greater<T>>;

using lint = long long;

void solve() {
    int n, k1, k2;
    std::cin >> n >> k1 >> k2;

    bool first1 = true;
    if (k1 > k2) {
        first1 = false;
        std::swap(k1, k2);
    }
    // k1 < k2

    int m;
    std::cin >> m;

    MinHeap<std::pair<lint, int>> ts;
    std::vector<lint> bs(m);
    for (int i = 1; i <= m; ++i) {
        lint a;
        std::cin >> a >> bs[i - 1];
        ts.emplace(a, i);
    }

    std::vector<int> i2d(n + 2, n);
    for (int i = 1; i <= n; ++i) {
        i2d[i] = std::abs(i - k1) + std::abs(i - k2) - ((i <= k1) == first1);
    }
    ++i2d[n + 1];

    std::vector<int> d2i(n + 2, 0);
    for (int i = 0; i <= n + 1; ++i) d2i[i2d[i]] = i;
    // for (auto i : d2i) std::cerr << i << " ";
    // std::cerr << "\n";

    std::set<int> s1;
    for (int i = 0; i <= n + 1; ++i) s1.insert(i2d[i]);
    auto s2 = s1;

    auto get = [&]() -> int {
        int d = *s1.begin();

        if (d >= n) {
            d = *s2.begin();
            if (d >= n) return -1;
        }

        int i = d2i[d];
        for (int j = i - 1; j <= i + 1; ++j) {
            if (1 <= j && j <= n) s1.erase(i2d[j]);
        }
        s2.erase(d);
        return i;
    };

    auto check = [&](int i) -> bool {
        if (i == 0 || i == n + 1) return false;
        for (int j = i - 1; j <= i + 1; ++j) {
            if (!s2.count(i2d[j])) return false;
        }
        return true;
    };

    auto dump = [&]() {
        std::cerr << "s1: ";
        for (auto d : s1)
            if (d < n) std::cerr << d2i[d] << " ";
        std::cerr << "\n";
        std::cerr << "s2: ";
        for (auto d : s2)
            if (d < n) std::cerr << d2i[d] << " ";
        std::cerr << "\n";
    };

    std::vector<int> ans(m, -1);
    std::queue<int> que;

    lint pt = -1;
    while (!ts.empty()) {
        // std::cerr << "\n";

        auto [t, x] = ts.top();
        // std::cerr << "t: " << t << "\n";
        ts.pop();

        // dump();

        if (x > 0) que.push(x);

        if (t != pt) {
            while (!que.empty()) {
                int i = get();
                if (i == -1) break;

                int x = que.front();
                que.pop();
                ans[x - 1] = i;
                ts.emplace(t + bs[x - 1], -x);
                // std::cerr << "sit: " << i << "\n";
            }
        }
        pt = t;

        if (x < 0) {
            int i = ans[-x - 1];
            // std::cerr << "free: " << i << "\n";

            s2.insert(i2d[i]);
            for (int j = i - 1; j <= i + 1; ++j) {
                if (check(j)) s1.insert(i2d[j]);
            }
        }
    }

    for (auto a : ans) {
        std::cout << a << "\n";
    }
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}