import java.io.*;

public class MastermindPlayDS1 {
   public static void main( String[] args ) throws IOException {
      BufferedReader rdr = new BufferedReader( new InputStreamReader( System.in ));
      String str = null;
      BoardDS1 board = new BoardDS1();
      int[] response = new int[2];
      while (response[0] != BoardDS1.NUM_SLOTS) {
         System.out.print( "Enter guess: " );
         str = rdr.readLine();
         board.evaluate( str.toCharArray(), response );
         System.out.println( "                  " + response[0] + ' ' + response[1] );
}  }  }

class BoardDS1 {
   public static final int NUM_CHOICES = 6;
   public static final int NUM_SLOTS   = 4;

   private char[]    answer     = new char[NUM_SLOTS];
   private boolean[] answerUsed = new boolean[NUM_SLOTS];
   private boolean[] guessUsed  = new boolean[NUM_SLOTS];

   private int[] answerChars = new int[NUM_CHOICES];
   private int[] guessChars  = new int[NUM_CHOICES];

   public BoardDS1() {
      // populate answer array with random characters
      for (int i=0; i < NUM_SLOTS; i++)
         answer[i] = (char) ('a' + (int) (Math.random()*1000) % NUM_CHOICES);
      for (int i=0; i < NUM_SLOTS; i++) answerChars[ answer[i] - 'a' ]++;
   }
   public void evaluate( char[] guess, int[] response ) {
      response[0] = response[1] = 0;
      // initialize boolean arrays
      for (int i=0; i < NUM_SLOTS; i++) guessUsed[i] = answerUsed[i] = false;
      // compute black answer
      for (int i=0; i < NUM_SLOTS; i++)
         if (guess[i] == answer[i]) {
            response[0]++;
            guessUsed[i] = answerUsed[i] = true;
         }
      // compute white answer
      for (int i=0; i < NUM_SLOTS; i++)
         if ( ! guessUsed[i])
            for (int j=0; j < NUM_SLOTS; j++)
               if ( ! answerUsed[j])
                  if (guess[i] == answer[j]) {
                     response[1]++;
                     guessUsed[i] = answerUsed[j] = true;
                     break;
                  }
}  }