Can you tell what did I do wrong? Output is ok in my opinion.
package pl.codegym.task.task07.task0727;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Zmiana funkcjonalności
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> multilista = new ArrayList<String>();
ArrayList<String> lista = new ArrayList<String>();
while (true) {
String s = reader.readLine();
if (s.isEmpty()) break;
lista.add(s);
}
ArrayList<String> listaWielkimiLiterami = new ArrayList<String>();
for (int i = 0; i < lista.size(); i++) {
String s = lista.get(i);
listaWielkimiLiterami.add(s.toUpperCase());
}
for (int i = 0; i < listaWielkimiLiterami.size(); i++) {
System.out.println(listaWielkimiLiterami.get(i));
}
for (int i=0; i<lista.size(); i++){
if(lista.get(i).length()%2==0){
multilista.add(lista.get(i));
multilista.add(lista.get(i));
}
else{
multilista.add(lista.get(i));
multilista.add(lista.get(i));
multilista.add(lista.get(i));
}
}
for (int i=0; i<multilista.size(); i++){
if(multilista.get(i).length()%2==0){
System.out.print(multilista.get(i)+" ");
System.out.println(multilista.get(i));
}
else {
System.out.print(multilista.get(i)+" ");
System.out.print(multilista.get(i)+" ");
System.out.println(multilista.get(i));
}
}
}
}