using System;

​

public class Program

{

    public static void Main()

    {

        int Fdigit;

        int Sdigit;

        string userInput;

        bool BoolA = false;

        bool BoolB = false;

        Random rnd = new Random();

        Fdigit= rnd.Next(1,10);

        Sdigit = rnd.Next(0,10);

//Convert.ToChar(Fdigit);

    //  Convert.ToChar(Sdigit);

        Console.WriteLine(Fdigit);

        Console.WriteLine(Sdigit);

        int count = 0;

        do

        {

            Console.WriteLine("Enter a two digit number");

            userInput = Console.ReadLine();

        if (userInput[0] == Fdigit)

            {

                BoolA = true;

            }

​

            if (userInput[1] == Sdigit)

            {

                BoolB = true;

            }

​

            if (BoolA == true && BoolB == true)

            {

                count=1;

                Console.WriteLine("Correct! You guessed it in " + count + " guesses ");

                count = 20;

            }

​

            if (BoolA == true && BoolB == false)

            {

                Console.WriteLine("1 Number is correct and in the right place");

                count = count + 1;

                Console.WriteLine("count = " + count);

            }

​

            if (BoolA == false && BoolB == true)

            {

                Console.WriteLine("1 Number is correct and in the right place");

                count = count + 1;

                Console.WriteLine("count = " + count);

            }

​

            if (BoolA == false && BoolB == false)

            {

                Console.WriteLine("both numbers are incorrect");

                count = count + 1;

                Console.WriteLine("count = " + count);

            }

​

        }

        while (count < 10);

        if (count ==10)

        {

            Console.WriteLine("YOU FAILED");

            Console.WriteLine("the correct answer was " + Fdigit + Sdigit);

        }

    }

}