I do what they want
package com.codegym.task.task07.task0727;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Changing functionality
*/
public class Solution {
public static void main(String[] args) throws IOException {
ArrayList<String> even = new ArrayList<String>();
ArrayList<String> odd = new ArrayList<String>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
while(true) {
String word = reader.readLine();
if (word.length() == 0) {
break;
}
if (word.length() % 2 == 0) {
even.add(word);
}
else
odd.add(word);
}
for (String one : even) {
System.out.println(one + " " + one);
}
for (String two : odd) {
System.out.println(two + " " + two + " " + two);
}
}
}