import java.util.Arrays;
import java.util.Scanner;
public class tax{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
	    int value = sc.nextInt();
	    int rate = sc.nextInt();
        int total = value * (rate + 100) /100;
	    System.out.println(Math.floor(total));
        sc.close();
    }
}