/* 
INPUT FILE, midterm_scores.txt:
40
95
55
40
93
55
87
40
93
40
...

EXPECTED OUTPUT:
40: ****
55: **
87: *
93: **
95: *
*/

import java.io.*;

public class Histogram {
    public static void main(String[] args) throws FileNotFoundException {
        Scanner input = new Scanner(new File("midterm_scores.txt"));

        int[] tally = new int[101];
        while (input.hasNextInt()) {
            int score = input.nextInt();
            tally[score]++;
        }
        
        for (int i = 0; i < tally.length; i++) {
            if (tally[i] != 0) {
                System.out.print(i + ": ");
                for (int j = 0; j < tally[i]; j++) {
                    System.out.print("*");
                }
                System.out.println();
            }
        }
    }
}