fn main(){
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).unwrap();
	let vec: Vec<&str> = s.trim().split(' ').collect();
	let d: i32 = vec[0].parse().unwrap();
	let p: f32 = vec[1].parse::<f32>().unwrap() / 100.0;
	println!("{}", d + (d as f32 * p) as i32);
}