import java.util.*;

public class TimeTracker {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n;
        float totalWork = 0f, totalBreak = 0f;
        int invalidTasks = 0;

        //try {
            n = sc.nextInt();
            if (n < 0 || n > 10) {
                System.out.println("Invalid input");
                return;
         //   }

            for (int i = 0; i < n; i++) {
                String category = sc.next();
                float duration = sc.nextFloat();

                if ((category.equals("Work") || category.equals("Break")) && duration >= 1.0 && duration <= 8.0) {
                    if (category.equals("Work"))
                        totalWork += duration;
                    else
                        totalBreak += duration;
                } else {
                    invalidTasks++;
                }
            }

            System.out.printf("Total Work time = %.1f hours\n", totalWork);
            System.out.printf("Total Break time = %.1f hours\n", totalBreak);
            System.out.println("Invalid tasks = " + invalidTasks);

        } 
      //catch (Exception e) {
         //   System.out.println("Invalid input");
        //}
    }
}