package main

import (
	"fmt"
)

func main() {
	free := 12 - 5
	free -= 2
	canAccept := free >= 3 && free <= 12
	const fragile = 1 << 0
	const priority = 1 << 1
	flags := fragile | priority
	fmt.Println(free, canAccept, flags&priority != 0)
}