import java.io.PrintWriter;
import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
 * Roll lots and lots of dice.  Compute the relative frequency of
 * various combinations.
 *
 * @author Yvonne Palm
 * @author Samuel A. Rebelsky (editor)
 */
public class RelativeFrequency{
   // One hundred asterisks.
   public static final String asterisks = "********************************************************************************************************************************************************************************************************";
	public static void main(String[] args) 
		throws Exception
		{
    BufferedReader in = 
      new BufferedReader(new InputStreamReader(System.in));
    PrintWriter out = new PrintWriter(System.out, true);

		out.print("Enter # of dice: ");out.flush();
		int n = Integer.parseInt(in.readLine());
		out.print("Enter # of times to throw the dice: ");out.flush();
		int m = Integer.parseInt(in.readLine());
	
		//Create an array to tally up the number of times each sum is obtained
		int[] sums = new int[(6 * n + 1)];

		//start dice throwing, saving the sum in each case in sums.
		for (int i = 0; i <= m; i++){
					sums[sum(n)]++;
		}//for

		//calculate percentages for each sum in sums.
		for (int i = n; i <= 6 * n; i++){
			int freq = 200 * sums[i] / m;
			out.println(i 
                                    + ": " 
                                    + asterisks.substring(0,freq));
		}
	}//main

	//to get the sum of the values on the dice
	public static int sum(int n){
		int x = 0;
		for (int i = 1; i<=n; i++) {
				x = x + (int)(((6 * Math.random()) )+ 1);
		}//for
	return x; 
  }//sum
			

}//RelativeFrequency
		

/*
	  // create the random numbers that show up on the face of each die
		int ran = (int)(((6 * Math.random()) )+ 1);
		//an array of the possible sums abtained
		int[] sums = new int[(6*n - n + 1)];
		
		// each position in sums has the sum of occurrences of equal sums of n random numbers
		int sum = ran * n;
		for (int i = 0; i <= 6*n; i++){
		if (i == (sum - n))
		sums[i] = sums[i]+1;
		}//for

		//To print the histogram
			for (int i = n; i <= 6*n; i++){
			out.println + " : " + sums[i - n]);
			}//for
*/
	
	
