// nested.java: example of nested functions
//      in java

import java.io.*;

public class nested
{
   public static void main(String[] args)
   {
      final int base;
      base = 13;
      class Exp
      {
         private int res;
         public void compute(int power)
         {
            res = 1;
            for(int i = 0; i < power; ++i)
               res *= base;
         }
      }
      Exp vol = new Exp();
      vol.compute(3);
      System.out.println("volume is " + vol.res);
   }
}