public class Invest
{  public static void main(String[] args)
   {  ConsoleReader console = new ConsoleReader(System.in);  

      System.out.println("Interest rate: ");   
      double rate = console.readDouble();

      final double INITIAL_BALANCE = 10000;
      final int NYEARS = 20;
      
      double balance = INITIAL_BALANCE;
      
      // accumulate interest for NYEARS
      
      for (int year = 1; year <= NYEARS; year++)
      {  double interest = balance * rate / 100;
         balance = balance + interest;
         System.out.println("year: " + year +
            " balance: " + balance);
      }
   }
}