// Reads a file of test scores and shows a histogram of the score distribution.
import java.io.*;
import java.util.*;

public class Histogram {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("midterm.txt"));
        
        int[] scores = new int[101];
        
        while (input.hasNextInt()) {
            int score = input.nextInt();
            scores[score]++;
        }
        
        for (int i = 0; i < scores.length; i++) {
            System.out.print(i + ": ");
            
            for (int j = 0; j < scores[i]; j++) {
                System.out.print("*");
            }
            
            System.out.println();
        }
    }
}