"OK Tired, tired I'm exhausted, but Tired How nice! " Lin Xie drags a senior high school student to the end of the race, and the end whistle just rings. He drinks the glucose delivered by the staff, and then breathes out. The other people are also full of joy. If they run for more than one circle, they will get more than ten points, and the first place will get another 50 points. How can they not be surprised? Can we see if there are seven groups left There is one that can surpass them.

"prepare for the fifth group to the eighth group!" The voice of the staff...