using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("HI");

        Animal Cat  = new Animal();

        Cat.age = 15;

        Cat.hunger_level = 7;

        Cat.changeThreat_level();

        Console.WriteLine(Cat.hunger_level+Cat.threat_level+Cat.age);

​

    }

​

}

class Animal

  {

    public string species;  

    public int age;

    public string threat_level;

    public int hunger_level;

    public Animal()           

    {

        species="Unknown";

        age=0;

        threat_level="Peaceful";

        hunger_level=0;

    }

    public void changeThreat_level(){

        if(hunger_level <=3)

        {

            threat_level = "Peacful";

        }

        else if(hunger_level <=7)

        {

            threat_level = "Narky";

        }

        else

        {

            threat_level = "Agressive";

        }

  }

}

​

​