using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Въведете текст");

        var s = Console.ReadLine();

        int suma = 0;

        for (int i=0;i<=s.Length-1;i=i+1)

        {

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

                suma = suma+1;

            if (s[i]=='e')

                suma = suma+2;

            if (s[i]=='i')

                suma = suma+3;

            if (s[i]=='o')

                suma = suma+4;

            if (s[i]=='u')

                suma = suma+5;

        }

        Console.WriteLine(suma);    

    }

}