I donno what is wrong in this program :(
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> list = new ArrayList<String>();
while (true) {
String s = reader.readLine();
if (s.isEmpty())
{
break;
}
list.add(s);
}
ArrayList<String> odd = new ArrayList<String>();
ArrayList<String> even = new ArrayList<String>();
for (int i = 0; i < list.size(); i++) {
if(list.size()%2 == 0){
even.add(even.get(i));
}
else
{
odd.add(odd.get(i));
}
}
for (String cat : even) {
System.out.println(even + " " + even);
}
for (String cat : odd) {
System.out.println(odd + " " + odd+ " " +odd);
}
}
}