import java.util.*;

class Vehicle {

    int currentSpeed;
    Road currentRoad = new Road(60);

    public void setCurrentSpeed(int... accelerations) {
        currentSpeed = Arrays.stream(accelerations).sum();
    }
    
    public int getCurrentSpeed() {
        return currentSpeed;
    }

    public boolean isWithinSpeedLimit() {
        return currentSpeed <= currentRoad.speedLimit;
    }
  
    public int getTicketCost() {
            if (currentSpeed>=currentRoad.speedLimit+10&&currentSpeed<currentRoad.speedLimit+19) {
              return 100;
           } else if (currentSpeed>=currentRoad.speedLimit+20&&currentSpeed<currentRoad.speedLimit+29) {
              return 250;
           } else if (currentSpeed>=currentRoad.speedLimit+30) {
              return 500;
           }
       return 0;
    }
}

final class Road {

    int speedLimit;

    public Road(int speedLimit) {
        this.speedLimit = speedLimit;
    }
}