import java.util.Scanner;

public class No056 {
	public static void main(String args[]){
		Scanner sc = new Scanner(System.in);
		int item = 0;
		int tax = 0;

		item = sc.nextInt();
		tax = sc.nextInt();

		item = item*(100+tax)/100;

		System.out.println(Math.floor(item));
	}
}