import java.math.BigDecimal; import java.util.Scanner; public class Main { static Scanner sc = new Scanner(System.in); public static void main(String[] args) { BigDecimal b = new BigDecimal(sc.nextInt()); BigDecimal p = new BigDecimal(sc.nextInt()); p = p.divide(new BigDecimal(100)); p = p.add(new BigDecimal(1)); System.out.println(b.multiply(p).setScale(0)); } }