fn fizzbuzz(n: u32) {
	for i in 1..=n {
		if i%3==0 || i%5==0
		{
			if i%3==0 {
				print!("fizz");
			}
			if i%5==0 {
				print!("buzz");
			}
		}
		else {
			print!("{}",i);
		}
		println!("");		
	}
}

fn main() {
	println!("How many fizzbuzzes? ");
	
	let mut input_text = String::new();
	std::io::stdin().read_line(&mut input_text).expect("Failed to read from stdin");
	let trimmed = input_text.trim();
	match trimmed.parse::<u32>() {
		Ok(i) => fizzbuzz(i),
		Err(..) => println!("Invalid input"),
	};
}