AsciiSumator

using System;
using System.Text;

namespace AsciiSumator
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            char firstSymbol = char.Parse(Console.ReadLine());
            char secondSymbol = char.Parse(Console.ReadLine());
            string text = Console.ReadLine();
            char startSymbol = text[0];
            char endSymbol = text[0];
            int sum = 0;

            if (firstSymbol < secondSymbol)
            {
                 startSymbol = firstSymbol;
                 endSymbol = secondSymbol;
            }

            else
            {
                startSymbol = secondSymbol;
                endSymbol = firstSymbol;
            }

            foreach (var symbol in text)
            {
                if(symbol>startSymbol && symbol < endSymbol)
                {
                    sum += symbol;
                }
            }

            Console.WriteLine(sum);
        }
    }
}