public static void Main(string[] args)
{
Console.WriteLine(ProgramUtil.Factorial(5));
Console.WriteLine(ProgramUtil.ParseInt("-23"));
Console.WriteLine(ProgramUtil.TryParseInt("-50"));
Console.WriteLine(ProgramUtil.ReadFile(@"C:\Users\Tyler\Desktop\Games\Crying.txt"));
string input = "I'm crying because I don't remember why I created this txt file.";
ProgramUtil.WriteToFile(@"C:\Users\Tyler\Desktop\Games\Crying.txt", input);
}