package com.javarush.task.task18.task1805;
import java.io.*;
import java.util.*;
/*
Сортировка байт
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String s = reader.readLine();
ArrayList<Integer> list = new ArrayList<>();
FileInputStream file = new FileInputStream(s);
while(file.available()>0){
int z = file.read();
list.add(z);
}
file.close();
Collections.sort(list);
HashMap<Integer,Integer> map = new HashMap<>();
for(int i=0;i<list.size();i++){
map.put(i,list.get(i));
}
ArrayList<Integer> list2 = new ArrayList<>();
for(HashMap.Entry<Integer,Integer> map2: map.entrySet()){
int value = map2.getValue();
list2.add(value);
}
Collections.sort(list2);
for(int i=0;i<list2.size();i++){
System.out.print(list.get(i)+" ");
}
}
}