package com.company;
import java.util.Scanner;
public class Main {
    static int count (String input){
       String[] text = input.split("");
       int counter =0;
        for (int i = 0; i < text.length; i++) {
            if(text[i].equals("a")||text[i].equals("A")){
                counter++;
            }else if(text[i].equals("e")||text[i].equals("E")){
                counter++;
            }else if(text[i].equals("i")||text[i].equals("I")){
                counter++;
            }else if(text[i].equals("o")||text[i].equals("O")){
                counter++;
            }else if(text[i].equals("u")||text[i].equals("U")){
                counter++;
            }else if(text[i].equals("y")||text[i].equals("Y")){
                counter++;
            }
        }
        return counter;
    }
        public static void main (String[]args){
            Scanner scanner = new Scanner(System.in);
            String input = scanner.nextLine();
            System.out.println(count(input));
        }
    }