result.add(new BeginPoll(Integer.parseInt(steps)));
line = br.readLine();
} else if ("worked".equals(line)) {
String steps = br.readLine();
line = br.readLine();
result.add(new WorkedPoll(Integer.parseInt(steps)));
} else if ("update".equals(line)) {
String update = br.readLine();
do {
result.add(new StreamUpdatePoll(update));
update = br.readLine();