package forCycle;

import java.util.Scanner;

public class VowelsSum {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
         String input = scanner.nextLine();
          int sum = 0;

        for (int i = 0; i < input.length(); i++) {
            char symbol = input .charAt(i);

            if(symbol == 'a'){
                sum += 1;
            }else if (symbol == 'e'){
                sum += 2;
            }else if(symbol == 'i'){
                sum +=3;
            }else if(symbol == 'o'){
                sum += 4;
            }else  if(symbol == 'u'){
                sum += 5;
            }

        }
        System.out.println(sum);
    }
}