Ex04_ConvertFromBase10toBaseN_2Feb2017

import java.math.BigInteger;
import java.util.Scanner;

public class Ex04_ConvertFromBase10toBaseN_2Feb2017 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] input = scanner.nextLine().split("\\s+");

        Integer base = Integer.parseInt(input[0]);
        Integer number = Integer.parseInt(input[1]);

        BigInteger remainder;

        StringBuilder result = new StringBuilder();

        if (base >= 2 && base <= 10) {
            while (number > 0) {
                remainder = BigInteger.valueOf(number).mod(BigInteger.valueOf(base));

                number /= base;

                result.insert(0, remainder.toString());
            }
            System.out.println(result.toString());
        }
    }
}