// Simple site to read and redirect URLs, the options for the url are defined as
// the following grammar

PROGRAM
	STATEMENT

STATEMENT
	FINAL_ACTION
	INTER_ACTION STATEMENT
	CONDITION

CONDITION
	BOOL_EXP STATEMENT STATEMENT

EXP
	EXP_OR
	EXP_AND
	BOOL_EXP

EXP_OR
	EXP EXP

EXP_AND
	EXP EXP

FINAL_ACTION
	redirect
	block
	show_page

BOOL_EXP
	time
	country
	device
	add
	parameter

INTER_ACTION
	append