```
package com.codegym.task.task05.task0507;
/*
Arithmetic mean
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int num = Integer.parseInt(reader.readLine());
int counter = 0;
int total = 0;
int mean;
while(num != -1){
counter++;
total = total + num;
if(num == -1){
total = total + 1;
mean = total / counter;
System.out.println(mean);
break;
}
}
}
}
```

package com.codegym.task.task05.task0507;
/*
Arithmetic mean
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//write your code here
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int num = Integer.parseInt(reader.readLine());
int counter = 0;
int total = 0;
int mean;
while(num != -1){
counter++;
total = total + num;
if(num == -1){
total = total + 1;
mean = total / counter;
System.out.println(mean);
break;
}
}
}
}