/* This is the solution for the first question*/
import java.util.Random;

public class random_array{

	public static void main(String args[])
        {
		
               int [] a = new int[200];
                 
               Random rand = new Random();

               int i,value;
               for( i=0;i<200;i++)
               {
			value = rand.nextInt();
                        value = Math.abs(value);
                        
                        value = value%10;
                        value = value + 40;
                        a[i] = value;
               } 		        

               int [] freq = new int[10];
                 
               for(i=0;i<10;i++)
			freq[i] = 0;
              
               for(i=0;i<200;i++)
               {
                   value = a[i]%10;
                   freq[value]++;
               }                  

               for(i=0;i<10;i++)
               {
                    System.out.print((i+40)+":");
                    for(int j=0;j<freq[i]-1;j++)
                        System.out.print("*");
                    System.out.println();
               }   
       }
}