public static void main ( String [ ] args ) {
  String line = null ;
  List < String > tmpList = new ArrayList < > ( ) ;
  try ( Scanner sc = new Scanner ( System . in ) ) {
    line = sc . nextLine ( ) ;
    String [ ] tmpArray = line . split ( " " ) ;
    int letterNum = Integer . parseInt ( tmpArray [ 0 ] ) ;
    for ( int i = 0 ;
    i < letterNum ;
    i ++ ) {
      tmpList . add ( sc . nextLine ( ) ) ;
    }
  }
  catch ( Exception e ) {
    e . printStackTrace ( ) ;
  }
  tmpList . stream ( ) . sorted ( ) . forEach ( i -> System . out . print ( i ) ) ;
}

public static void main ( String [ ] args ) { String line = null ; List < String > tmpList = new ArrayList < > ( ) ; try ( Scanner sc = new Scanner ( System . in ) ) { line = sc . nextLine ( ) ; String [ ] tmpArray = line . split ( " ▁ " ) ; int letterNum = Integer . parseInt ( tmpArray [ 0 ] ) ; for ( int i = 0 ; i < letterNum ; i ++ ) { tmpList . add ( sc . nextLine ( ) ) ; } } catch ( Exception e ) { e . printStackTrace ( ) ; } tmpList . stream ( ) . sorted ( ) . forEach ( i -> System . out . print ( i ) ) ; }
(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: (null_literal))) (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (try_with_resources_statement resources: (resource_specification (resource type: (type_identifier) name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (type_identifier) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (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: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))))) (catch_clause (catch_formal_parameter (catch_type (type_identifier)) name: (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (expression_statement (method_invocation object: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (lambda_expression parameters: (identifier) body: (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))))))))