import java.util.Date;


public class Tak {

  public static void main(String[] args) {
   
   boolean useFloat = false;
   int numpasses;
   
   for (int i = 0; i < args.length; i++) {
     if (args[i].startsWith("-f")) useFloat = true;
   }
   try {
     numpasses = Integer.parseInt(args[args.length-1]);
   }
   catch (Exception e) {
     numpasses = 1000;
   }
   
   Date d1 = new Date();
   for (int i = 0; i < numpasses; i++) {
      Tak(18.0f, 12.0f, 6.0f);
   }
   Date d2 = new Date();
   long TimeRequired = d2.getTime() - d1.getTime();
   double numseconds = TimeRequired/1000.0;
   
   System.out.println("Completed " + numpasses + " passes in " + numseconds + " seconds" );
   System.out.println(numpasses/numseconds + " calls per second");
  
  }

  public static int Tak (int x, int y, int z) {
    if (y >= x) return z;
    else return Tak(Tak(x-1, y, z), Tak(y-1, z, x), Tak(z-1, x, y));   
  
  }

  public static float Tak (float x, float y, float z) {
    if (y >= x) return z;
    else return Tak(Tak(x-1.0f, y, z), Tak(y-1.0f, z, x), Tak(z-1.0f, x, y));   
  
  }


}