To carry out the secret pet story tells the events of each party. Parties to the doctor Trace the history of both parties 2 parties must survive. Find out the answer until the rivers j's final answer.
The story progresses into alternating current events of the Secretary of the Medical Department, to trace its history. The two sides need to find answers to survive until the final answer to converge at j.
Narration is the telling the switch of each department, medical department sheep Roy history, both 2 parties must survive. To find out, until the final answer of J converge.