import java.util.*; 

public class ConsumptionTax {
    public static void main(String[] args){
        Scanner scanner = new Scanner(System.in);
        try{
            int D = scanner.nextInt();
            int P = scanner.nextInt();
            double T = 0 ;
            
            T = D * (100+P) / 100;
            
            System.out.println((int)Math.floor(T));
        }catch(InputMismatchException e){
            System.out.println("数値を入力してください");
        }catch(Exception E){
            System.out.println("予期せぬエラーです");
        }
    }
}