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

map<int, int> SeatToIdx;
map<int, int> IdxToSeat;

int main() {
	int n, k1, k2; cin >> n >> k1 >> k2;
	if(k1 < k2) {
		for(int i = k1, num = 0; i >= 1; --i) {
			SeatToIdx[i] = num;
			IdxToSeat[num] = i;
			num += 2;
		}
		for(int i = k2, num = 1; i <= n; ++i) {
			SeatToIdx[i] = num;
			IdxToSeat[num] = i;
			num += 2;
		}
	} else {
		for(int i = k1, num = 0; i <= n; ++i) {
			SeatToIdx[i] = num;
			IdxToSeat[num] = i;
			num += 2;
		}
		for(int i = k2, num = 1; i >= 1; --i) {
			SeatToIdx[i] = num;
			IdxToSeat[num] = i;
			num += 2;
		}
	}
	set<int> ok;
	set<int> notUsed;
	for(int i = 0; i < n; ++i) ok.insert(i);
	for(int i = 0; i < n; ++i) notUsed.insert(i);
	priority_queue<pair<int64_t, int>, vector<pair<int64_t, int>>, greater<pair<int64_t, int>>> pq;
	int q; cin >> q;
	while(q--) {
		int64_t a, b; cin >> a >> b;
		bool used = false;
		while(pq.size()) {
			int64_t t, idx;
			tie(t, idx) = pq.top();
			if(t > a) {
				if(ok.empty()) {
					if(notUsed.empty()) {
						a = t;
						continue;
					}
				}
				break;
			}
			pq.pop();
			int seat = IdxToSeat[idx];
			bool left = true, right = true;
			if(seat - 1 >= 1 and notUsed.find(SeatToIdx[seat - 1]) == notUsed.end()) {
				left = false;
			}
			if(seat + 1 <= n and notUsed.find(SeatToIdx[seat + 1]) == notUsed.end()) {
				right = false;
			}
			if(left and right) {
				ok.insert(idx);
			}
			notUsed.insert(idx);
			if(notUsed.find(SeatToIdx[seat - 1]) != notUsed.end()) {
				if(seat - 2 >= 1 and notUsed.find(SeatToIdx[seat - 2]) != notUsed.end()) {
					ok.insert(SeatToIdx[seat - 1]);
				} else if(seat - 2 == 0) {
					ok.insert(SeatToIdx[seat - 1]);
				}
			}
			if(notUsed.find(SeatToIdx[seat + 1]) != notUsed.end()) {
				if(seat + 2 <= n and notUsed.find(SeatToIdx[seat + 2]) != notUsed.end()) {
					ok.insert(SeatToIdx[seat + 1]);
				} else if(seat + 2 == n) {
					ok.insert(SeatToIdx[seat + 1]);
				}
			}
		}
		// cout << "OK" << '\n';
		// for(int i : ok) {
		// 	cout << i << " ";
		// }
		// cout << '\n' << "Not Used" << '\n';
		// for(int i : notUsed) {
		// 	cout << i << " ";
		// }
		// cout << '\n';
		int idx, seat;
		if(ok.size()) {
			idx = *ok.begin();
			seat = IdxToSeat[idx];
		} else {
			idx = *notUsed.begin();
			seat = IdxToSeat[idx];
		}
		ok.erase(idx);
		notUsed.erase(idx);
		if(seat + 1 <= n) ok.erase(SeatToIdx[seat + 1]);
		if(seat - 1 >= 1) ok.erase(SeatToIdx[seat - 1]);
		pq.emplace(a + b, idx);
		cout << seat << '\n';
		// cout << '\n';
	}
	return 0;
}