import java.math.BigDecimal;
import java.util.Scanner;

class sampleA {
	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scan = new Scanner(System.in);
		double d = scan.nextInt();
		double p = scan.nextInt();
		BigDecimal bdD = new BigDecimal(d);
		BigDecimal bdP = new BigDecimal(p);
		BigDecimal one =new BigDecimal(1);
		BigDecimal hundred =new BigDecimal(100);
		int answer = bdD.multiply(one.add(bdP.divide(hundred))).intValue();
		
		System.out.println(answer);
	}
}