/*
	This store is having a sale where if the price is an even number, you get
	10 Rustbucks off, but if it's an odd number, it's 3 Rustbucks off.
*/

fn main() {
	let original_price = 20;

	println!("sale price with original price: {} is {}", original_price, sale_price(original_price));
}

fn sale_price(price: u32) -> u32 {
	if is_even(price) {
		price - 10
	} else {
		price - 3
	}
}

fn is_even(num: u32) -> bool {
	num % 2 == 0
}