import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import java.util.Scanner;

public class DragonAccountant {

    public static BigDecimal additionalEvents(String[] events, BigDecimal capital) {
        BigDecimal result = capital;
        for (int i = 3; i < events.length; i++) {
            String[] temp = events[i].split(":");
            switch (temp[0]) {
                case "Previous years deficit":
                case "Machines":
                case "Taxes":
                    result = result.subtract(new BigDecimal(temp[1]));
                    break;
                case "Product development":
                case "Unconditional funding":
                    result = result.add(new BigDecimal(temp[1]));
                    break;
            }
        }
        return result;
    }

    public static void main(String[] args) {
        Locale.setDefault(new Locale("en", "EN"));
        Scanner scanner = new Scanner(System.in);
        BigDecimal initialCapital = scanner.nextBigDecimal();
        scanner.nextLine();
        long totalHired = 0;
        long totalFired = 0;
        long currentFired = 0;
        int days = 0;
        int startPosition = 0;
        int endPosition = 30;

        List<Long> hiredPeople = new ArrayList<>();
        List<BigDecimal> sellaryTable = new ArrayList<>();

        String[] input = scanner.nextLine().split(";");

        while (!input[0].equals("END")) {
            long hired = Long.parseLong(input[0]);
            totalHired += hired;
            hiredPeople.add(days, hired);

            long fired = Long.parseLong(input[1]);
            totalFired += fired;

            BigDecimal salary = new BigDecimal(input[2]);
            sellaryTable.add(days, salary);

            if (days % 29 == 0) {
                for (int i = startPosition; i < endPosition; i++) {
                    if (totalFired - hiredPeople.get(i) > 0) {
                        hiredPeople.set(i, 0L);
                        totalFired -= hiredPeople.get(i);
                        startPosition = i;
                    }
                    if (totalFired - hiredPeople.get(i) < 0) {
                        hiredPeople.set(i, Math.abs(totalFired - hiredPeople.get(i)));
                        break;
                    }
                    if (totalFired - hiredPeople.get(i) == 0) {
                        hiredPeople.set(i, 0L);
                        startPosition = i;
                        break;
                    }
                }
                endPosition += 30;

            }


            initialCapital = additionalEvents(input, initialCapital);
            input = scanner.nextLine().split(";");
            days++;
        }
    }
}