static void Main(string[] args)
        {
            Random ranNumberGenerator = new Random();
            int firstNumber  = ranNumberGenerator.Next(1, 5);
            int secondNumber = ranNumberGenerator.Next(1, 5);
            int thirdNumber  = ranNumberGenerator.Next(1, 5);

            Console.WriteLine("Guess the three lottery numbers (1-4).");
            int firstInput  = Convert.ToInt32(Console.ReadLine());
            int secondInput = Convert.ToInt32(Console.ReadLine());
            int thirdInput  = Convert.ToInt32(Console.ReadLine());

            int[] lottoNumbers = {firstNumber, secondNumber, thirdNumber};
            int totalMatched = 0;
            totalMatched += calculateMatch(lottoNumbers, firstInput);
            totalMatched += calculateMatch(lottoNumbers, secondInput);
            totalMatched += calculateMatch(lottoNumbers, thirdInput);

            int moneyAwarded = 0;
            if (totalMatched == 1)
            {
                moneyAwarded = 10;
            } else if (totalMatched == 2)
            {
                moneyAwarded = 100;
            // All 3 match, and in order.
            } else if (totalMatched == 3 && firstNumber == firstInput && secondNumber == secondInput && thirdNumber == thirdInput)
            {
                moneyAwarded = 10000;
            // If we get here and total matched is 3, that means they were not in order.
            } else if (totalMatched == 3)
            {
                moneyAwarded = 1000;
            }
            Console.WriteLine("The lotto numbers were {0}, {1}, {2}", firstNumber, secondNumber, thirdNumber);
            Console.WriteLine("You received ${0}!", moneyAwarded);
            Console.ReadLine();
        }

        static int calculateMatch(int[] lottoNumbers, int playerInput)
        {
            for (int i = 0; i < lottoNumbers.Length; i++)
            {
                if (lottoNumbers[i] == playerInput)
                {
                    lottoNumbers[i] = -1;
                    return 1;
                }
            }
            return 0;
        }