import java.util.Scanner;

public class MarksAssignment
{
    //constants
    static final int MAX_MARK = 100;
    static final Scanner INPUT = new Scanner(System.in);

    //variables
    static int input;

    public static void main(String[] args)
    {
        do
        {
            askForInput();
            updateMarks();
        }
        while(input <= MAX_MARK);

        displayHistogram();
    }

    private static void askForInput()
    {
        System.out.print("Please input a mark: ");
        input = Integer.parseInt(INPUT.nextLine());
    }

    private static void updateMarks()
    {
        for(MarkRange range : MarkRange.values())
        {
            if(range.getMin() <= input && input <= range.getMax())
            {
                range.setStudents(range.getStudents() + 1);
                break;
            }
        }
    }

    private static void displayHistogram()
    {
        for(MarkRange range : MarkRange.values())
            System.out.println(range + "\t" + range.getStarString());
    }

}