import readline

fn seven(b int) {
	mut c := b
	mut d := 0
	mut e := 0
	mut f := 0
	for c > 99 {
		d = c / 10
		e = c % 10
		c = d - 2 * e
		f += 1
	}
	if c % 7 == 0 {
		println([c, f])
	} else {
		println('The number is not divisible by 7')
	}
}

fn main() {
	mut r := readline.Readline{}
	answer := r.read_line('What is your number: ')!

	a := answer.int()

	seven(a)
}