백준 C# 5622

using System;
namespace baek2
{
    class Program
    {
        
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int count = 0;
            for(int i =0; i<input.Length;i++)
            {
                if (input[i] == 'A' || input[i] == 'B' || input[i] == 'C') count += 2;
                else if (input[i] == 'D' || input[i] == 'E' || input[i] == 'F') count += 3;
                else if (input[i] == 'G' || input[i] == 'H' || input[i] == 'I') count += 4;
                else if (input[i] == 'J' || input[i] == 'K' || input[i] == 'L') count += 5;
                else if (input[i] == 'M' || input[i] == 'N' || input[i] == 'O') count += 6;
                else if (input[i] == 'P' || input[i] == 'Q' || input[i] == 'R' || input[i] == 'S') count += 7;
                else if (input[i] == 'T' || input[i] == 'U' || input[i] == 'V') count += 8;
                else count += 9;
            }

            Console.WriteLine(count + input.Length);
        }
    }
}