using System;

public class Program

{

    public static void Main()

    {

        int gold = 0;

        int goldadd = 1;

        Random rnd = new Random(1);

        int enemy;

        int attack = 1;

        bool playing = true;

        bool fighting = false;

        string option; 

        Console.WriteLine("Welcome to the tank arena! Press enter to begin!");

        Console.ReadLine();

        while (playing == true)

        {

            Console.WriteLine("Do you want to fight, buy, or upgrade?");

            option = Console.ReadLine();

            if (option == "fight")

            {

                fighting = true;

                enemy = rnd.Next(1,10);

                while (fighting == true)

                {

                    Console.WriteLine("Enemy " + enemy);

                    Console.ReadLine();

                    enemy = enemy-attack;

                    if (enemy < 0)

                    {

                        gold = gold+goldadd;

                        Console.WriteLine("You got " + goldadd + " gold!");

                        Console.ReadLine();

                        fighting = false;

                    }

                }

            }

            if (option == "gold")

            {

                Console.WriteLine("You have " + gold + " gold!");

                Console.ReadLine();

            }

        }

    }

}