ArraySort

import java.util.*;
public class ArraySort {
    public static void main(String[]args){
        Scanner scanner = new Scanner(System.in);
        String num = scanner.nextLine();
        String[] numbers = num.split(",");

        List<String> input = Arrays.asList(numbers);

        List<String>zero =new ArrayList<>();
        List<String>positive =new ArrayList<>();
        for (String n:input
        ) {
            int current = Integer.parseInt(n);
            if(current>0){
                positive.add(n);
            }else if(current==0){
                zero.add(n);
            }
        }
        positive.addAll(zero);

        System.out.println(String.join(",",positive));
    }
}