i can't rectify my problem
give me solution
package com.codegym.task.task07.task0713;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/*
Playing Javarella
*/
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>(20);
int[] n = new int[20];
// String s = reader.readLine();
for(int i = 0; i < 20; i++)
{
n[i] = Integer.parseInt(reader.readLine());
list.add(n[i]);
} ArrayList<Integer> list2 = new ArrayList<Integer>();
ArrayList<Integer> list1 = new ArrayList<Integer>();
ArrayList<Integer> list3 = new ArrayList<Integer>();
for(int i = 0; i < 20; i++)
{
Integer x = list.get(i);
if( x % 3 == 0)
list1.add(x);
}
for(int i = 0; i < 20; i++)
{
Integer y = list.get(i);
if(y % 2 == 0)
list2.add(y);
}
/* for(int i = 0; i < 20; i++)
{
Integer z = list.get(i);
if( z % 2 != 0 && z % 3 != 0)
list3.add(z);
}*/
printList(list);
printList(list1);
printList(list2);
// printList(list3);
//write your code here
}
public static void printList(List<Integer> list) {
for(int i = 0; i < 20; i++)
System.out.println(list.get(i));
// System.out.println(//write yo ur code here
}
}