import java.util.Scanner;

public class Answer {
	public static void main(String str[]) {
        Scanner sc = new Scanner(System.in);

        int price = Integer.valueOf(sc.next());
        int tax = Integer.valueOf(sc.next());

        double includeTax = price * (100 + tax) / 100;
        System.out.println((int) Math.floor(includeTax));
	}
}