#include<bits/stdc++.h>

using namespace std;

int main() {
    //红绿灯的设置
    int r, y, g; //red,yellow,green
    cin >> r >> y >> g;

    int n, sum = 0;
    cin >> n;
    for (int i = 0; i < n; i++) {
        int k, t;
        cin >> k >> t;
        if (k == 0) {
            sum += t; //k=0 表示经过了一段道路，耗时 t 秒
            cout << sum << endl;
        }
        //红灯 红-->绿
        if (k == 1) {
            sum += t;
            cout << sum << endl;
        }
        //黄灯    黄-->红-->绿
        if (k == 2) {
            sum += t + r;
            cout << sum << endl;
        }
        //绿灯
    }
    cout << sum << endl;
}