import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.*;
public class Solution {
public static void main(String[] args) throws Exception {
SortedSet set = new TreeSet<>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String file = reader.readLine();
FileInputStream inputStream = new FileInputStream(file);
while (inputStream.available()>0) {
set.add(inputStream.read());
}
System.out.println(set.toString() + " ");
inputStream.close();
}
}
package com.javarush.task.task18.task1805;
/*
Сортировка байт
*/
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.*;
public class Solution {
public static void main(String[] args) throws Exception {
SortedSet set = new TreeSet<>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String file = reader.readLine();
FileInputStream inputStream = new FileInputStream(file);
while (inputStream.available()>0) {
set.add(inputStream.read());
}
System.out.println(set.toString() + " ");
inputStream.close();
}
}