// Burton Rosenberg
// Mon Feb 9 1998
// ToDigit.java

import java.io.* ;

class ToDigit
{

   public static void main( String [] argv )
   throws IOException
   {
      BufferedReader stdin = new BufferedReader
         (new InputStreamReader(System.in)) ;

      System.out.print("Input: " ) ;
      String s = stdin.readLine() ;

      int i = 0 ;
      while ( i < s.length() ) 
      {
         char c = s.charAt(i) ;
         System.out.println("Character " + c 
            + " is digit " + toDigit(c) + "." ) ;
         i = i + 1 ;
      }
   }

   static int toDigit( char c ) 
   {
      if ( c < '0' ) return -1 ;
      if ( c > '9' ) return -1 ;
      return c-'0' ;
   }
}