UVA - 11115 - Uncle Jack

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.math.BigInteger;

public class Main {

    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb = new StringBuffer("");
        BigInteger arr[][]= new BigInteger[11][26];
        for(int i=1;i<11;i++){
            arr[i][0]=BigInteger.ONE;
            BigInteger temp=arr[i][1]=BigInteger.valueOf(i);
            for(int j=2;j<26;j++){
                arr[i][j]=arr[i][j-1].multiply(temp);
            }
        }
        while(true) {
           String []str=br.readLine().split(" ");
            int i=Integer.parseInt(str[0]);
            int j=Integer.parseInt(str[1]);
            if(i==0 &&j==0)
                break;
            sb.append(arr[i][j]).append("\n");
        }
        System.out.print(sb);
    }
}