private static boolean is753 ( int x ) {
  return x == 7 || x == 5 || x == 3 ;
}

private static boolean is753 ( int x ) { return x == 7 || x == 5 || x == 3 ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))))