static int countNumbers ( int l , int r ) {
  return ( ( r / 6 ) - ( l - 1 ) / 6 ) ;
}

static int countNumbers ( int l , int r ) { return ( ( r / 6 ) - ( l - 1 ) / 6 ) ; }
(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 (return_statement (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))))))