...
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 {
//напишите тут ваш код
BufferedReader s = new BufferedReader (new InputStreamReader(System.in));
int sum = 0;
while(true){
int a = Integer.parseInt(s.readLine());
sum += a;
String t = s.readLine();
if(t.equals("сумма")){
break;
}
}
System.out.println(sum);
}
}