не понимаю((((
package com.javarush.task.task07.task0713;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/*
Играем в Jолушку
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<Integer> list = new ArrayList<Integer>();
for (int i = 0; i < 20; i++){
list.add(Integer.parseInt(reader.readLine()));
}
printList(list);
}
public static void printList(List<Integer> list) {
ArrayList<Integer> list3 = new ArrayList<Integer>();
ArrayList<Integer> list2 = new ArrayList<Integer>();
ArrayList<Integer> list0 = new ArrayList<Integer>();
for (int i = 0; i < list.size(); i++){
System.out.println(list.get(i));
if ((list.get(i) %3 != 0) && (list.get(i) %2 == 0))
list2.add(list.get(i));
if ((list.get(i) %3 == 0) && (list.get(i) %2 == 0)) {
list3.add(list.get(i));
list2.add(list.get(i));
}
if ((list.get(i) %3 == 0) && (list.get(i) %2 != 0))
list3.add(list.get(i));
if ((list.get(i) %3 != 0) && (list.get(i) %2 != 0))
list0.add(list.get(i));
}
for (int i = 0; i < list3.size(); i++){
System.out.println(list3.get(i));
}
for (int i = 0; i < list2.size(); i++){
System.out.println(list2.get(i));
}
for (int i = 0; i < list0.size(); i++){
System.out.println(list0.get(i));
}
}
}