use std::io::Read;

fn main() {
    let mut buf = String::new();
    std::io::stdin().read_to_string(&mut buf).unwrap();
    
    let mut iter = buf.split_whitespace();
    
    let d: f32 = iter.next().unwrap().parse().unwrap();
    let p: f32 = iter.next().unwrap().parse().unwrap();
    
    println!("{}", (d * (100. + p) / 100.) as isize);
}