using System;

public class Program

{

    public static void Main()

    {

​

        var input= Console.ReadLine();

        var 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);

    }

}