Cany anyone give a hint?
package com.codegym.task.task04.task0442;
/*
Adding
*/
import java.io.*;
import java.util.Scanner;
public class Solution {
public static void main(String[] args) throws Exception {
Scanner scanner = new Scanner(System.in); //write your code here
int sum = 0;
int i = scanner.nextInt();
while (true )
{
i = scanner.nextInt();
sum += i;
if(i==-1)
break;
}
System.out.println(sum) ;
}
}