heads_or_tails.cs

var lose = 0;
var win = 0;
var total = 0;

while (true)
{

	Console.WriteLine("Heads (0) or Tails (1)");
	var user = Console.ReadLine();

	var rand = new Random();
	var ht = rand.Next(0, 2);


	if (user == "Heads" || user == "0" || user == "Tails" || user == "1") // 0
	{
		total = total + 1;
		if ((user == "Heads" || user == "0") && ht == 0 || (user == "Tails" || user == "1") && ht == 1)
		{
			Console.WriteLine("WIN");
			win = win + 1;
		}
		else
		{
			Console.WriteLine("LOSE");
			lose = lose + 1;
		}

	}
	else
	  if (user == "Exit") //exit
	{
		Console.WriteLine("Goodbye");
		Console.WriteLine($"lose {lose}");
		Console.WriteLine("win {0}", win);
		Console.WriteLine("total {0}", total);
		break;

	}
	else
		Console.WriteLine("LOSER");
}