подскажите где ошибка
package com.javarush.task.task05.task0507;
import java.util.*;
public class Solution {
public static void main(String[] args) throws Exception {
Scanner scan1 = new Scanner(System.in);
ArrayList<Integer> list = new ArrayList<>();
for (int i = 0;i<2;i++){
int a = scan1.nextInt();
list.add(i);
}
double sum = 0;
for (int x : list){
sum+=x;
}
System.out.println(sum/list.size());
while (true) {
int number = -1;
if (number == -1){
break;
}
}
}
}