.
package com.javarush.task.task13.task1326;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.io.FileInputStream;
import java.io.BufferedInputStream;
/*
Сортировка четных чисел из файла
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String name = reader.readLine();
FileInputStream file = new FileInputStream(name);
BufferedInputStream buf = new BufferedInputStream(file);
ArrayList<Integer> list = new ArrayList<>();
while (buf.available() > 0) {
int a = buf.read();
if (a % 2 == 0) {
list.add(a);
}
}
buf.close();
for (int a = 0; a < list.size(); a++) {
for (int b = 0; b < list.size()-1; b++) {
if (list.get(b) > list.get(b+1)) {
int one = list.get(b);
list.set(b, list.get(b+1));
list.set(b+1, one);
}
}
}
for (int c = 0; c < list.size(); c++) {
System.out.print(list.get(c));
}
}
}