use std::io;
use std::io::{Stdin, BufRead};

struct Input {
    amount: i32,
    vat: i32,
}

fn main() {
    let mut stdin = io::stdin();
    let input = read_input(&mut stdin);
    println!("{}", (input.amount * (100 + input.vat) / 100));
}

fn read_input(stdin: &mut Stdin) -> Input {
    let mut lock = stdin.lock();
    let mut s = String::new();
    lock.read_line(&mut s).expect("can not read first line");
    let tokens: Vec<i32> = s.trim_end().split(" ").map(|s| s.parse().expect("can't parse")).collect();

    s.clear();

    Input {
        amount: tokens[0],
        vat: tokens[1],
    }
}