import java.util.Scanner;

public class Power
{
  static double power;
  public static double pow(double bs, double pw)
   {
	 if((bs>0.0 && pw==0.0) || bs<0.0 && pw==0.0)
     return 1;
     else if(bs>0.0 && pw>0.0)
     {
       power = bs*pow(bs,pw-1);
       return power;
     }
     else if(bs>0.0 && pw<0.0)
     {
       power = 1/bs*pow(bs, pw+1);
       return power;
     }
     else if(bs<0.0 && pw>0.0)
     {
       power = (bs)*pow(bs,pw-1);
       return power;       
     }
     else
     {
      power = 1/bs*pow(bs, pw+1);
      return power;
     }    
   }
  public static void main(String args[])
   {
      double pw;
      Power p = new Power();
      Scanner scan = new Scanner(System.in);
      System.out.println("Enter base number");
      double a = scan.nextDouble();
      System.out.println("Enter the exponent number");
      double b = scan.nextDouble();
      pw = p.pow(a, b);
      System.out.println(pw);
   }
 }