#!/usr/bin/env swift;
import Foundation

func main() -> Void {
	let a:Bool = true
	let b:Bool = false

	print("a AND b : " + String((a && b)))
	print("a OR b : " + String((a || b)))
	print("NOT a : " + String((!a)))
	print("NOT b : " + String((!b)))
	exit(EXIT_SUCCESS)
}
main()