import java.io.*;
import java.math.*;
import java.util.stream.*;

class Process {
    private int D;
    private int P;

    Process(int D, int P) {
        this.D = D;
        this.P = P;
    }

    private BigDecimal divide(int a, int b) {
        return (new BigDecimal(a)).divide((new BigDecimal(b)), 5, RoundingMode.HALF_UP);
    }

    int getResult() {
        return (new BigDecimal(D)).multiply(BigDecimal.ONE.add(divide(P, 100))).intValue();
    }
}

public class Main {
    public static void main(String[] args) throws IOException {
        var bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        var printWriter = new PrintWriter(new BufferedWriter(new OutputStreamWriter(System.out)));

        // 入力
        int[] input = Stream.of(bufferedReader.readLine().trim().split("[ ]+")).mapToInt(Integer::parseInt).toArray();

        // 処理および出力
        printWriter.println((new Process(input[0], input[1])).getResult());
        
        bufferedReader.close();
        printWriter.close();
    }
}