using System;

public class Program

{

    public static void Main()

    {

        string input = Console.ReadLine();

        int sum = 0;

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

{

        switch (input[i])

{

        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;              

}

​

}

​

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

    }

}