static void Main(string[] args)
        {
            values val = new values();

            Console.WriteLine("Please enter an infix expression below. I will convert it to a postfix expression using my mechanical mind!");

            val.GetPuller = Console.ReadLine();
            do
            {
                val.GetVal = val.GetPuller[val.GetProgress].ToString();
                IsOperator(val.GetVal);
                val.GetProgress++;
            } while (val.GetPuller.Length > val.GetProgress);

            while (val.GetProgress == val.GetPuller.Length && val.GetStack.Count > 0)
            {
                Console.Write(val.GetStack.Pop());
            }
            Console.ReadLine();
        }
        static string IsOperator(string charer)
        {
            values val = new values();
            Regex  r   = new Regex("^[a-zA-Z ]+$");

            //appends all operators to stack bracket
            if (charer == "(")
            {
                val.GetBrackets++;
            }
            //expels all items stored in bracket stack to the console
            if (charer == ")")
            {
                val.GetBrackets--;
                if (val.GetBrackets > 0)
                {
                    val.GetBracket = true;
                }
                else
                {
                    val.GetBracket = false;
                }
                while (val.GetBrack.Count != 0 && val.GetBracket == false)
                {
                    Console.Write(val.GetBrack.Pop());
                    break;
                }
            }
            //will pop the stack if it isn't null, but the addition value will not be printed (Addition operator)
            else if (charer == "+")
            {
                if (val.GetBrackets == 0)
                {
                    if (val.GetStack.Count > 0)
                    {
                        while (val.GetStack.Count > 0)
                        {
                            Console.Write(val.GetStack.Pop());
                            val.GetStack.Push(charer);
                            break;
                        }
                    }
                    else
                    {
                        val.GetStack.Push(charer);
                    }
                }
                if (val.GetBrackets > 0)
                {
                    if (val.GetBrack.Count > 0)
                    {
                        Console.Write(val.GetBrack.Pop());
                    }
                    val.GetBrack.Push(charer);
                }
            }
            //multiplication operator
            else if (charer == "*")
            {
                if (val.GetBrackets == 0)
                {
                    while (val.GetStack.Count != 0)
                    {
                        if (!val.GetStack.Contains("+"))
                        {
                            Console.Write(val.GetStack.Pop());
                            break;
                        }
                    }
                    val.GetStack.Push(charer);
                }
                if (val.GetBrackets > 0)
                {
                    if (val.GetBrack.Count > 0)
                    {
                        Console.Write(val.GetBrack.Pop());
                    }
                    val.GetBrack.Push(charer);
                }
            }
            //division operator
            else if (charer == "/")
            {
                if (val.GetBrackets == 0)
                {
                    val.GetStack.Push(charer);
                }
                if (val.GetBrackets > 0)
                {
                    val.GetBrack.Push(charer);
                }
            }
            //subtraction operator
            else if (charer == "-")
            {
                if (val.GetBrackets == 0)
                {
                    if (val.GetStack.Count > 0)
                    {
                        Console.Write(val.GetStack.Pop());
                        val.GetStack.Push(charer);
                    }
                    else
                    {
                        val.GetStack.Push(charer);
                    }
                }
                else if (val.GetBrackets > 0)
                {
                    val.GetBrack.Push(charer);
                    Console.Write(val.GetBrack.Pop());
                }
            }
            else if (r.IsMatch(charer))
            {
                Console.Write(charer);
            }
            //   Console.Write(val.GetStack.Count);
            //  Console.Write(val.GetBracket);
            return(charer);
        }