static String minInt ( String str ) {
  String s = "" ;
  for ( int i = 0 ;
  i < str . length ( ) ;
  i ++ ) {
    if ( str . charAt ( i ) >= '5' ) {
      s += ( char ) ( ( '9' - str . charAt ( i ) ) + '0' ) ;
    }
    else {
      s += str . charAt ( i ) ;
    }
  }
  if ( str . charAt ( 0 ) == '0' ) s += '9' ;
  return s ;
}

static String minInt ( String str ) { String s = " " ; for ( int i = 0 ; i < str . length ( ) ; i ++ ) { if ( str . charAt ( i ) >= '5' ) { s += ( char ) ( ( '9' - str . charAt ( i ) ) + '0' ) ; } else { s += str . charAt ( i ) ; } } if ( str . charAt ( 0 ) == '0' ) s += '9' ; return s ; }
(method_declaration (modifiers) type: (type_identifier) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) 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: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (cast_expression type: (integral_type) value: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (character_literal) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) right: (character_literal))))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (character_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (character_literal)))) (return_statement (identifier))))