public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int n = scan . nextInt ( ) ;
  int d = scan . nextInt ( ) ;
  int [ ] price = new int [ n ] ;
  int sum = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    price [ i ] = scan . nextInt ( ) ;
    sum += price [ i ] ;
  }
  int m = scan . nextInt ( ) ;
  if ( m >= n ) {
    System . out . println ( sum - d * ( m - n ) ) ;
  }
  else {
    Arrays . sort ( price ) ;
    sum = 0 ;
    for ( int i = 0 ;
    i < m ;
    i ++ ) {
      sum += price [ i ] ;
    }
    System . out . println ( sum ) ;
  }
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int n = scan . nextInt ( ) ; int d = scan . nextInt ( ) ; int [ ] price = new int [ n ] ; int sum = 0 ; for ( int i = 0 ; i < n ; i ++ ) { price [ i ] = scan . nextInt ( ) ; sum += price [ i ] ; } int m = scan . nextInt ( ) ; if ( m >= n ) { System . out . println ( sum - d * ( m - n ) ) ; } else { Arrays . sort ( price ) ; sum = 0 ; for ( int i = 0 ; i < m ; i ++ ) { sum += price [ i ] ; } System . out . println ( sum ) ; } }
(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: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (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: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))))) alternative: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (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 (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))))