static boolean isSumOfPowersOfTwo ( int n ) {
  if ( n % 2 == 1 ) return false ;
  else return true ;
}

static boolean isSumOfPowersOfTwo ( int n ) { if ( n % 2 == 1 ) return false ; else return true ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (false)) alternative: (return_statement (true)))))