public static int FindDigit(string equation)
        {
            // Add your code here.
            FixMultiplication fix = new FixMultiplication();

            return(int.Parse(fix.Find(equation)));

            throw new NotImplementedException();
        }
        private static void Test(string args, int expected)
        {
            var result = FixMultiplication.FindDigit(args).Equals(expected) ? "PASS" : "FAIL";

            Console.WriteLine($"{args} : {result}");
        }
 public static int FindDigit(string equation)
 {
     // Add your code here.
     // throw new NotImplementedException();
     return(FixMultiplication.FindDigit(equation));
 }