using System;

​

class MainClass {

  public static void Main (string[] args) {

    Console.WriteLine ("Напишите свой любимый цвет на английском с маленькой буквы");

    var color = Console.ReadLine();

​

    if (color == "red")

    {

        Console.BackgroundColor = ConsoleColor.Red;

        Console.ForegroundColor = ConsoleColor.Black;

​

        Console.WriteLine("Your color is red!");

    }

​

    else if (color == "green")

    {

        Console.BackgroundColor = ConsoleColor.Green;

        Console.ForegroundColor = ConsoleColor.Black;

​

        Console.WriteLine("Your color is green!");

    }

    else

    {

        Console.BackgroundColor = ConsoleColor.Cyan;

        Console.ForegroundColor = ConsoleColor.Black;

​

        Console.WriteLine("Your color is cyan!");

    }

  }

}