use std::io::Read;

fn main() {
    let mut input = String::new();
    std::io::stdin().read_to_string(&mut input).ok();

    let inputs = input
        .split_whitespace()
        .map(|x| x.parse::<u64>().unwrap())
        .collect::<Vec<_>>();
    let (k, s) = (inputs[0], inputs[1]);

    println!("{}", k * s / (100 - k) + s);
}