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() + 30) {
        return 500;
      }
      
      if (currentSpeed >= currentRoad.speedLimit() + 20) {
        return 250;
      }
      
      if (currentSpeed >= currentRoad.speedLimit() + 10) {
        return 100;
      }
      
      return 0;
    }
}

record Road(int speedLimit) { }