class ForcePoint {
  int lowerThreshold, upperThreshold;
  int value = 0;
  boolean isOn = false;
  
  public ForcePoint(int lowerThreshold, int upperThreshold) {
    this.lowerThreshold = lowerThreshold;
    this.upperThreshold = upperThreshold;
  }
  
  void feed(int value) {
    this.value = value;
    if(isOn==false && value > upperThreshold) {
      isOn = true;
    }
    if(isOn==true && value < lowerThreshold) {
      isOn = false;  
    }
  }
  
  int getValue() {
    return value;
  }
  
  boolean isOn() {
    return isOn;
  }
}