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    import java.util.*;

    class Student {} class Rockstar {} class Hacker {}

    public class InstanceOFTutorial { static String count(ArrayList mylist) { int a = 0, b = 0, c = 0; for (int i = 0; i < mylist.size(); i++) { Object element = mylist.get(i);

            if (element instanceof Student) // 
                a++;
            if (element instanceof Rockstar) // 
                b++;
            if (element instanceof Hacker) // 
                c++;
        }
        String ret = Integer.toString(a) + " " + Integer.toString(b) + " " + Integer.toString(c);
        return ret;
    }
    
    public static void main(String[] args) {
        ArrayList mylist = new ArrayList();
        Scanner sc = new Scanner(System.in);
        int t = sc.nextInt();
        for (int i = 0; i < t; i++) {
            String s = sc.next();
            if (s.equals("Student")) mylist.add(new Student());
            if (s.equals("Rockstar")) mylist.add(new Rockstar());
            if (s.equals("Hacker")) mylist.add(new Hacker());
        }
        System.out.println(count(mylist));
    }
    

    }