07. Vowels Sum

using System;

namespace Vowels_Sum
{
    class Program
    {
        static void Main(string[] args)
        {

            string word = Console.ReadLine();
            int sum = 0;



            for(int i=0; i< word.Length; i++)
            {
                char symbol =  word[i];

                switch (symbol)
                {
                    case 'a':
                        sum += 1;
                        break;

                    case 'e':
                        sum += 2;
                        break;

                    case 'i':
                        sum += 3;
                        break;

                    case 'o':
                        sum += 4;
                        break;

                    case 'u':
                        sum += 5;
                        break;
                    default:
                        break;

                }

            }

            Console.WriteLine(sum);
        }
    }
}