JavaStep-进制切换BigInteger

//java POJ2305 Basic remains

import java.math.*;import java.io.*;import java.util.*;public class Main{       public static void main(String[] args){              Scanner in = new Scanner(new BufferedInputStream(System.in));              BigInteger a,b;              int n;              String str;              while (true){                  n = in.nextInt();                  if (n==0) break;                  str = in.next();                  a = new BigInteger(str,n);                  str = in.next();                  b = new BigInteger(str,n);                  a = a.mod(b);                  System.out.println(a.toString(n));              }       }}