import java.util.Arrays;
import java.util.Scanner;



public class Signature {



    public static void main(String args[]) {



        Scanner in = new Scanner(System.in);
        while (in.hasNext()) {
            String word = in.next();
            char[] charArray = word.toCharArray();
            Arrays.sort(charArray);
            System.out.println(String.valueOf(charArray) + ' ' + word);
        }
    }
}