//
package com.javarush.task.task13.task1326;
/*
Сортировка четных чисел из файла
*/
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
FileInputStream fileInputStream = new FileInputStream(bufferedReader.readLine());
int[] ints = new int[fileInputStream.available()];
int r = 0;
while (fileInputStream.available() > 0) {
int data = fileInputStream.read();
if (data % 2 == 0) {
ints[r] = data;
}
r++;
}
fileInputStream.close();
bufferedReader.close();
for (int i = 1; i < ints.length; i++) {
for (int j = 1; j < ints.length; j++) {
if (ints[j] > ints[j - 1]) {
int tmp = ints[j];
ints[j] = ints[j - 1];
ints[j - 1] = tmp;
}
}
}
for (int i : ints) {
System.out.println(i);
}
}
}