using System;

​

public class Program

{

    public static void Main()

    {

        var duma = Console.ReadLine();

        var sum = 0;

        for (int i = 0; i < duma.Length; i++)

        {

            if (duma[i] == 'a')

            {

                sum += 1;

            }

            else if (duma[i] == 'e')

            {

                sum += 2;

            }

            else if (duma[i] == 'i')

            {

                sum += 3;

            }

            else if (duma[i] == 'o')

            {

                sum += 4;

            }

            else if (duma[i] == 'u')

            {

                sum += 5;

            }

​

        }

                Console.WriteLine("Vowels sum = " + sum);

​

    }

}