cactus1

/***
 * Read input from System.in
 * Use System.out.println to ouput your result.
 * Use:
 *  IsoContestBase.localEcho( variable)
 * to display variable in a dedicated area.
 * **/
package com.isograd.exercise;
import java.util.;

public class IsoContest {
public static void main( String[] argv ) throws Exception {
        String  line;
        double t,d;
        String[] content;
        Scanner sc = new Scanner(System.in);
        while(sc.hasNextLine()) {
            line = sc.nextLine();
            content = line.split(" ");
            t = Double.valueOf(content[0]);
            d = Double.valueOf(content[1]);

            System.out.println(String.format("%.2f",getPercentage(100,t,d)));

            /Read the input here and perform the calculations/
        }
    /You can also perform the calculations once you have read all the data./
    }

    public static double getPercentage(double current, double t, double d) {
        if (d == 0) {
            return current-100;
        }
        return getPercentage(current + t/100*current, t, d -1);
    }
}