class MyCalculator {

    /*
* Create the method long power(int, int) here.
*/

public static long power(int n, int p) throws Exception{
  int c = 1;  

  if(n < 0 || p < 0){
     throw new Exception("n or p should not be negative.");
  }
  if(n == 0 && p == 0){
    throw new Exception("n and p should not be zero.");
  }

  if(p >= 0){
  for(int i = 0; i < p; i++){
    c = c * n;
  }
  }

  return c;
}

}

import java.util.Scanner; class MyCalculator { /* * Create the method long power(int, int) here. */

public static long power(double n, double p) throws Exception{
    if(n<0 || p<0){
        throw new Exception("n or p should not be negative.");
    }
   if (n==0 && p==0){
        throw new Exception("n and p should not be zero.");
    }
   long res =(long) Math.pow(n, p);
   return res;
}

}

public class Solution { public static final MyCalculator my_calculator = new MyCalculator(); public static final Scanner in = new Scanner(System.in);

public static void main(String[] args) {
    while (in .hasNextInt()) {
        int n = in .nextInt();
        int p = in .nextInt();

        try {
            System.out.println(my_calculator.power(n, p));
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

}

import java.util.Scanner; class MyCalculator { /* * Create the method long power(int, int) here. */ public long power(int n, int p) throws Exception{ if (n==0 && p ==0) {throw new Exception ("n and p should not be zero."); } else if(n<0 || p<0) {throw new Exception ("n or p should not be negative."); } else return (long)Math.pow(n, p);

}

}

// Tac dung cua hasNext() trong Scanner: giup cho method power khong tu dong thoat // khi con dang nhap du lieu tiep theo

// Neu khong co hasNext() thi chi chay duoc method power voi chi mot lan nhap du lieu public class Solution { public static final MyCalculator my_calculator = new MyCalculator(); public static final Scanner in = new Scanner(System.in);

public static void main(String[] args) {
    while (in .hasNextInt()) {
        int n = in .nextInt();
        int p = in .nextInt();

        try {
            System.out.println(my_calculator.power(n, p));
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

}

class MyCalculator{
    public long power (int n, int p) throws Exception{
        
        if(n==0 && p==0){
            throw new Exception("n and p should not be zero.");
        }else if(n<0 || p<0){
            throw new Exception("n or p should not be negative.");
        }else return (long)Math.pow(n,p);
        }

}