public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  Scanner sin = new Scanner ( System . in ) ;
  int n = Integer . parseInt ( sin . next ( ) ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    String s = sin . next ( ) ;
    s += '+' ;
    int counter = 0 ;
    for ( int j = 0 ;
    j < s . length ( ) - 1 ;
    j ++ ) {
      if ( s . charAt ( j ) != s . charAt ( j + 1 ) ) {
        counter ++ ;
      }
    }
    System . out . println ( "Case #" + ( i + 1 ) + ": " + counter ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; Scanner sin = new Scanner ( System . in ) ; int n = Integer . parseInt ( sin . next ( ) ) ; for ( int i = 0 ; i < n ; i ++ ) { String s = sin . next ( ) ; s += ' + ' ; int counter = 0 ; for ( int j = 0 ; j < s . length ( ) - 1 ; j ++ ) { if ( s . charAt ( j ) != s . charAt ( j + 1 ) ) { counter ++ ; } } System . out . println ( " Case ▁ # " + ( i + 1 ) + " : ▁ " + counter ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (character_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) consequence: (block (expression_statement (update_expression (identifier))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (binary_expression left: (string_literal) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (string_literal)) right: (identifier)))))))))