public static void main ( String [ ] args ) {
  int a = sc . nextInt ( ) ;
  int count = 0 ;
  String answer = null ;
  for ( int i = a ;
  i > 0 ;
  i -- ) {
    count += ( i * 10000 ) ;
  }
  count = count / a ;
  answer = String . valueOf ( count ) ;
  out . println ( answer ) ;
  out . flush ( ) ;
}

public static void main ( String [ ] args ) { int a = sc . nextInt ( ) ; int count = 0 ; String answer = null ; for ( int i = a ; i > 0 ; i -- ) { count += ( i * 10000 ) ; } count = count / a ; answer = String . valueOf ( count ) ; out . println ( answer ) ; out . flush ( ) ; }
(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: (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: (decimal_integer_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (null_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))