package com.javarush.task.task13.task1326;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
/*
Сортировка четных чисел из файла
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
FileInputStream name=new FileInputStream(reader.readLine());
while (name.available()>0){
System.out.print((char)name.read());}
reader.close();
name.close();
}
}