.
package com.javarush.task.task05.task0529;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Консоль-копилка
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
int a = 0;
while(true)
{
String s = reader.readLine();
if (s.equals("exit"))
break;
}
System.out.println(a+s);
}
}