My first attempt at coding

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyFirstFunction
{

    partial class Program
    {

        static void Main()
        {
            while (true) //This is the main part of the program, it will keep on looping until the user decides to exit by entering escape or q
            {
                // First thing is to ask the user to input two numbers
                Console.WriteLine("This program uses a function to add two integers");
                Console.WriteLine("Enter The First interger: ");
                string FirstInteger = Console.ReadLine(); //Gets the first integer

                    // now perform a check to see if this indeed is an integer (here i will just copy/adapt the code used by Lou Maresca during episode 2 I think
                    int CheckNumber1 = 0;
                    if (!int.TryParse(FirstInteger, out CheckNumber1))
                    {
                        Console.ForegroundColor = ConsoleColor.Red;
                        Console.WriteLine("There was an error converting what you typed to a Integer (Int32) number. <Enter> To exit. ");
                        Console.ReadKey();
                        return;
                    }

                // Now ask the user for a second number
                Console.WriteLine("Enter The Second interger: ");
                string SecondInteger = Console.ReadLine(); //Gets the second integer
                    // Again I am checking to see if this is indeed an integer
                    // -> The very fact that I am reusing this code and a new variable means to me that I need to make this a function (something to work on next)
                    int CheckNumber2 = 0;
                    if (!int.TryParse(SecondInteger, out CheckNumber2))
                    {
                        Console.ForegroundColor = ConsoleColor.Red;
                        Console.WriteLine("There was an error converting what you typed to a Integer (Int32) number. <Enter> To exit. ");
                        Console.ReadKey();
                        return;
                    }

                // Calls the function to add up the two integers at this stage.
                string IntegerSum = SumOfIntegers(FirstInteger, SecondInteger);

                // Now it outputs the sum to the screen.
                Console.ForegroundColor = ConsoleColor.Yellow;
                Console.WriteLine("That sum of the two integers came to {0} ", IntegerSum);
                Console.ResetColor(); //Reset back to the original color
                Console.WriteLine("Hit any key to exit: ");
                Console.ReadLine();
                break;
             }
        }


        static string SumOfIntegers(string First, string Second)
        {
            string Total = First + Second;
            return Total;
        }
    }

}