Poj Solution 3199

http://poj.org/problem?id=3199

import java.io.BufferedInputStream;   
import java.math.BigDecimal;   
import java.util.Scanner;   
public class Main {   
  
    public static void main(String[] args) {   
        Scanner scan = new Scanner(new BufferedInputStream(System.in));   
        while (scan.hasNext()) {   
            BigDecimal n = scan.nextBigDecimal();   
            int d = scan.nextInt();   
            if (d == 0 && n.equals(BigDecimal.ZERO)) {   
                break;   
            }   
            System.out.println(n.pow(d));   
        }   
    }   
}