fn main(){
	let mut rs = String::new();
	std::io::stdin().read_line(&mut rs).unwrap();
	let vec: Vec<&str> = rs.trim().split(' ').collect();
	let s: i32 = vec[0].parse().unwrap();
	let f: i32 = vec[1].parse().unwrap();
	let mut current = 1;
	current += s / f;
	println!("{}", current);
}