import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) {
	      BufferedReader stdReader =new BufferedReader(new InputStreamReader(System.in));
	      
	      try {
	    	  String[] temps = stdReader.readLine().split(" ");
	    	  int money=Integer.parseInt(temps[0]);
	    	  int percent=Integer.parseInt(temps[1]);
	    	  System.out.println(money*(100+percent)/100);
	      } catch (IOException e) {
			e.printStackTrace();
	      }
	}
}