use std::io;

fn main() {
    let mut k = String::new();
    let mut s = String::new();
    io::stdin().read_line(&mut k).ok();
    io::stdin().read_line(&mut s).ok();
    let k = k.trim().parse::<u64>().unwrap();
    let s = s.trim().parse::<u64>().unwrap();

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