public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int numCases = sc . nextInt ( ) ;
  for ( int caseNum = 1 ;
  caseNum <= numCases ;
  caseNum ++ ) {
    String S = sc . next ( ) ;
    char ch = S . charAt ( 0 ) ;
    Deque < Character > chars = new ArrayDeque < > ( ) ;
    chars . addLast ( S . charAt ( 0 ) ) ;
    for ( int i = 1 ;
    i < S . length ( ) ;
    i ++ ) {
      char next = S . charAt ( i ) ;
      if ( next >= chars . getFirst ( ) ) {
        chars . addFirst ( next ) ;
      }
      else {
        chars . addLast ( next ) ;
      }
    }
    System . out . print ( "Case #" + caseNum + ": " ) ;
    for ( Character c : chars ) {
      System . out . print ( c ) ;
    }
    System . out . println ( ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int numCases = sc . nextInt ( ) ; for ( int caseNum = 1 ; caseNum <= numCases ; caseNum ++ ) { String S = sc . next ( ) ; char ch = S . charAt ( 0 ) ; Deque < Character > chars = new ArrayDeque < > ( ) ; chars . addLast ( S . charAt ( 0 ) ) ; for ( int i = 1 ; i < S . length ( ) ; i ++ ) { char next = S . charAt ( i ) ; if ( next >= chars . getFirst ( ) ) { chars . addFirst ( next ) ; } else { chars . addLast ( next ) ; } } System . out . print ( " Case ▁ # " + caseNum + " : ▁ " ) ; for ( Character c : chars ) { System . out . print ( c ) ; } System . out . println ( ) ; } }
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