В чем ошибка?
package com.javarush.task.task04.task0442;
/*
Суммирование
*/
import java.io.*;
import java.util.*;
public class Solution {
public static void main(String[] args) throws Exception {
Scanner scanner = new Scanner(System.in);
String name = scanner.nextLine();
int sum = 0;
while (true) {
int number = scanner.nextInt();
sum += number;
if (number == -1)
break;
}
System.out.println(sum);
}
}