/* package whatever; // don't place package name! */
 
import java.util.*;
 
public class Main {
	public static void main(String[] args) {
	    System.out.println(shuffle("Boa noite"));
	}
 
    public static String shuffle(String s) {
        List<String> letters = Arrays.asList(s.split(""));
        Collections.shuffle(letters);
        StringBuilder t = new StringBuilder(s.length());
        for (String k : letters) {
        	t.append(k);
        }
        return t.toString();
    }
}

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