import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.stream.Stream;

public class No00000056_Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        double[] arr = Stream.of(br.readLine().split(" ")).mapToDouble(Double::parseDouble).toArray();
		System.out.println(arr[0]  + (int)((arr[0] * arr[1] / 100)));

	}

}