import java.io.*;

class PowerIt2
{
 public static void main(String[] args)
 throws IOException
 {
  int n,m;
  BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
  System.out.print("Enter number n : ");
  n = Integer.parseInt(in.readLine());
  System.out.print("Enter number m : ");
  m = Integer.parseInt(in.readLine());
  System.out.print(n+" to the power of "+m+" is: ");
  System.out.println(power(n,m));
 }

 public static int power(int n, int m)
 // Efficiently calculates n to the power of m iteratively
 {
  int pow=n, acc=1, count=m;
  while(count!=0)
     {
      if(count%2==1)
         acc=acc*pow;
      pow=pow*pow;
      count=count/2;
     }
  return acc;
 }
}