static void CountPair ( int L , int R ) {
  int x = ( R - L + 1 ) ;
  System . out . println ( x / 2 + "\n" ) ;
}

static void CountPair ( int L , int R ) { int x = ( R - L + 1 ) ; System . out . println ( x / 2 + " \n " ) ; }
(method_declaration (modifiers) type: (void_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: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (string_literal)))))))