#include <algorithm>
#include <bitset>
#include <cassert>
#include <cctype>
#include <chrono>
#define _USE_MATH_DEFINES
#include <cmath>
#include <cstring>
#include <ctime>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <utility>
#include <vector>
using namespace std;

#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()

const int INF = 0x3f3f3f3f;
const long long LINF = 0x3f3f3f3f3f3f3f3fLL;
const double EPS = 1e-8;
const int MOD = 1000000007;
// const int MOD = 998244353;
const int dy[] = {1, 0, -1, 0}, dx[] = {0, -1, 0, 1};
// const int dy[] = {1, 1, 0, -1, -1, -1, 0, 1},
//           dx[] = {0, -1, -1, -1, 0, 1, 1, 1};

struct IOSetup {
  IOSetup() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(20);
    cerr << fixed << setprecision(10);
  }
} iosetup;
/*-------------------------------------------------*/
int main() {
  int n, k1, k2; cin >> n >> k1 >> k2; --k1; --k2;
  vector<int> idx(n), rev(n);
  int now = 0;
  idx[k1] = now;
  rev[now] = k1;
  ++now;
  for (int dist = 1; dist < n; ++dist) {
    if (k1 < k2) {
      if (k1 + dist < n) {
        idx[k1 + dist] = now;
        rev[now] = k1 + dist;
        ++now;
      }
      if (k1 - dist >= 0) {
        idx[k1 - dist] = now;
        rev[now] = k1 - dist;
        ++now;
      }
    } else {
      if (k1 - dist >= 0) {
        idx[k1 - dist] = now;
        rev[now] = k1 - dist;
        ++now;
      }
      if (k1 + dist < n) {
        idx[k1 + dist] = now;
        rev[now] = k1 + dist;
        ++now;
      }
    }
  }
  // REP(i, n) cout << rev[i] << ' ';
  // cout << '\n';
  set<int> broad, emp;
  REP(i, n) broad.emplace(i);
  int q; cin >> q;
  using P = pair<long long, int>;
  priority_queue<P, vector<P>, greater<P> > que;
  long long cur = 0;
  while (q--) {
    long long a, b; cin >> a >> b;
    cur = max(cur, a);
    while (!que.empty() && (que.top().first <= cur || (broad.empty() && emp.empty()))) {
      int seat = rev[que.top().second];
      cur = max(cur, que.top().first);
      que.pop();
      bool br = true;
      if (seat - 1 >= 0) {
        int seat_l = seat - 1;
        if (emp.count(idx[seat_l]) == 1) {
          if (seat_l - 1 < 0 || (broad.count(idx[seat_l - 1]) == 1 || emp.count(idx[seat_l - 1]) == 1)) {
            emp.erase(idx[seat_l]);
            broad.emplace(idx[seat_l]);
          }
        } else {
          br = false;
        }
      }
      if (seat + 1 < n) {
        int seat_r = seat + 1;
        if (emp.count(idx[seat_r]) == 1) {
          if (seat_r + 1 >= n || (broad.count(idx[seat_r + 1]) == 1 || emp.count(idx[seat_r + 1]) == 1)) {
            emp.erase(idx[seat_r]);
            broad.emplace(idx[seat_r]);
          }
        } else {
          br = false;
        }
      }
      (br ? broad : emp).emplace(idx[seat]);
    }
    int seat;
    if (!broad.empty()) {
      seat = *broad.begin();
      broad.erase(seat);
    } else {
      seat = *emp.begin();
      emp.erase(seat);
    }
    cout << rev[seat] + 1 << '\n';
    que.emplace(cur + b, seat);
    if (rev[seat] - 1 >= 0) {
      int seat_l = idx[rev[seat] - 1];
      if (broad.count(seat_l) == 1) {
        broad.erase(seat_l);
        emp.emplace(seat_l);
      }
    }
    if (rev[seat] + 1 < n) {
      int seat_r = idx[rev[seat] + 1];
      if (broad.count(seat_r) == 1) {
        broad.erase(seat_r);
        emp.emplace(seat_r);
      }
    }
    // cout << "broad: ";
    // for (int e : broad) cout << e << ' ';
    // cout << '\n';
    // cout << "emp: ";
    // for (int e : emp) cout << e << ' ';
    // cout << '\n';
  }
  return 0;
}