public class Tricycle extends Cycle {
  public String flagColor;
  
  public Tricycle(String color, String brand, String flagColor) {
    super(color, brand);
    numWheels = 3;
    this.flagColor = flagColor;
  }
  
  public String toString() {
    return
      super.toString() +
      "flag color: " + flagColor + "\n";
  }
}