import java.util.*; public class Main{ public static void main(String[] args) { Scanner sc = new Scanner(System.in); while (sc.hasNext()) { String str = sc.nextLine(); //! String[] s = str.split(","); ArrayList<String> list = new ArrayList<>(); for(String st : s){ list.add(st); } Collections.sort(list); for(int i = 0; i < s.length - 1; i++){ System.out.print(list.get(i)); System.out.print(","); } System.out.println(list.get(s.length - 1)); } } }
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