static int calNum ( int year ) {
  return ( year / 4 ) - ( year / 100 ) + ( year / 400 ) ;
}

static int calNum ( int year ) { return ( year / 4 ) - ( year / 100 ) + ( year / 400 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))))))