using System;

public class Program

{

    //

    public struct Cat

    {

    public string name;

        public int age;

        public string color;

        public Cat(string name, int age, string color)

        {

            this.name = name;

            this.age = age;

            this.color = color;

        }

        //

        public void MakeSound()

    {

    Console.WriteLine("Miauuu!");

    }

        public void changeColor(string newColor)

        {

            color =newColor;

        }

    }

    //

    public static void Main()

    {

    Cat newCat = new Cat ("Sina", 10, "Black and White");

        Console.WriteLine("Name: " + newCat.name);

        Console.WriteLine("Age: " + newCat.age);

        Console.WriteLine("Color: " + newCat.color);

        //

        newCat.MakeSound();

        //

        newCat.color = "White";

        Console.WriteLine("Color: " + newCat.color);

        newCat.changeColor("Red");

        Console.WriteLine("Change Color: " + newCat.color);

    }

}