import java.io.*;

public class findband
{
   static int p = 14;

   public static void main(String[] args) throws IOException
   {  
      BufferedReader reader = new BufferedReader(
				new InputStreamReader(System.in));

      int d;
      int diff;
      double band=0;
      
      System.out.println("2 e N = " + p);
      while ( true )
      {
         System.out.print("\nDelta = ");
         d = Integer.parseInt(reader.readLine());

         diff = p - d + 1;

         if ( diff == 1 )
         {
            System.out.println("band = 0");
         }
	 else
         {
            band = Math.log(diff)/Math.log(2);
            System.out.print("band = " + band);
            System.out.println("     int band = " + (int)band);
         }
      } 

   }

}