namespace part1;

class Program
{
    static void Main(string[] args)
    {
        int sum = 0;

        string letters = "abcdefghijklmnopqrstuvwxyz";

        StreamReader sr = new StreamReader("input");
        String line = sr.ReadLine();
        //Continue to read until you reach end of file
        while (line != null)
        {
            line = line.ToLower();

            foreach(char letter in letters) {
                line = line.Replace(letter.ToString(), string.Empty);
            }

            sum += Int32.Parse(line[0].ToString()) * 10;
            sum += Int32.Parse(line.Last().ToString());

            Console.WriteLine($"Line: {line} - Sum: {sum}");
            line = sr.ReadLine();
        }
        //close the file
        sr.Close();

        Console.WriteLine($"Total Sum: {sum}");
    }
}