using System;

public class Program

{

    static string inventory = "";

    static bool completed;

    public static void Game()

    {

        if(inventory == "")

        Console.WriteLine("You're in a room with a chair and a window. What do you do=");

        else

            Console.WriteLine("You're in a room with a chair and a window. What do you do?");

        string input = Console.ReadLine();

        if(input == "take chair")

        {

            inventory = "chair";    

            Console.WriteLine("You take the chair"); 

        }

        if(input == "inventory")

        {

            Console.WriteLine("Your inventory: " + inventory);

        }

        if(input == "throw chair" && inventory == "chair")

        {

            Console.WriteLine("You break the window.");

            inventory = "";

            completed = true;

        }

    }

    public static void Main()

    {

        while(completed == false)

            Game();

    }

}