import java.io.BufferedReader;
import java.io.InputStreamReader;

public class No169 {

    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(
                    System.in));
            double K = Integer.parseInt(br.readLine());
            double S = Integer.parseInt(br.readLine());
            int full = (int) ((100 * S) / (100 - K));

            System.out.println(full);
        } catch (Exception e) {
            System.err.println("Error:" + e.getMessage());
        }
    }

}