public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int k = sc . nextInt ( ) ;
  List < Integer > al = new ArrayList < Integer > ( ) ;
  int i = 1 , c = n - k , end = n ;
  if ( k < n ) {
    if ( k == 1 ) {
      while ( i <= n ) {
        al . add ( i ++ ) ;
      }
    }
    else {
      while ( c > 0 ) {
        al . add ( i ++ ) ;
        c -- ;
      }
      while ( i <= end ) {
        if ( end != i ) al . add ( end -- ) ;
        al . add ( i ++ ) ;
      }
    }
  }
  else if ( k == 1 && n == 1 ) al . add ( i ) ;
  for ( int p : al ) System . out . print ( p + " " ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int k = sc . nextInt ( ) ; List < Integer > al = new ArrayList < Integer > ( ) ; int i = 1 , c = n - k , end = n ; if ( k < n ) { if ( k == 1 ) { while ( i <= n ) { al . add ( i ++ ) ; } } else { while ( c > 0 ) { al . add ( i ++ ) ; c -- ; } while ( i <= end ) { if ( end != i ) al . add ( end -- ) ; al . add ( i ++ ) ; } } } else if ( k == 1 && n == 1 ) al . add ( i ) ; for ( int p : al ) System . out . print ( p + " ▁ " ) ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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 (type_identifier))) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier))) declarator: (variable_declarator name: (identifier) value: (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (update_expression (identifier)))))))) alternative: (block (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (update_expression (identifier))))) (expression_statement (update_expression (identifier))))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (update_expression (identifier)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (update_expression (identifier)))))))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (enhanced_for_statement type: (integral_type) name: (identifier) value: (identifier) body: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (string_literal))))))))