Guys, what am i doing wrong?
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 {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> even = new ArrayList<String>();
ArrayList<String> odd = new ArrayList<String>();
while (true) {
String s = reader.readLine();
if (s.isEmpty()) break;
if (s.length() % 2 == 0) even.add(s);
else odd.add(s);
}
for (int i = 0; i < even.size();i++){
System.out.println(even.get(i) + " " + even.get(i));
}
for (int i = 0; i < odd.size(); i++){
System.out.println(odd.get(i) + " " + odd.get(i) + " " + odd.get(i));
}
}
}