// yukicoder Lv.1 No.56 消費税
use proconio::input;

fn main() {
    input! {
        d: i32,
        p: i32,
    }
    let tax = (d as f64 * p as f64 / 100.0).round() as i32;
    let total_price = d + tax;
    println!("{}", total_price);
}