В чем ошибка????
package com.javarush.task.task05.task0507;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Среднее арифметическое
*/
public class Solution {
public static void main(String[] args) throws Exception {
double sum = 0;
int count = 0;
double arephmetic = 0;
while (true) {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int number = Integer.parseInt(reader.readLine());
sum = sum + number;
if (number == -1)
break;
count = count + 1;
}
arephmetic = sum / count;
System.out.println(arephmetic);
}
}