public static long fun ( long n , int k ) {
  long sum = n ;
  while ( n > 0 ) {
    n = n / k ;
    sum += n ;
  }
  return sum ;
}

public static long fun ( long n , int k ) { long sum = n ; while ( n > 0 ) { n = n / k ; sum += n ; } return sum ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))) (return_statement (identifier))))