import java.util.Scanner;

public class vowelsv2 {

	public static Scanner scan = new Scanner(System.in);
	public static String s = scan.nextLine();
	public static String ss = s.toLowerCase();

	public static void main(String []args){
		System.out.println(s);
		System.out.println(ss);
		ss.length();
		System.out.println(vowelcounts());
	}

	public static int vowelcounts(){
		int vowels = 0;
		int count = ss.length();
		for(int z = 0; z.charAt <= count; z++){
			switch(vowels){
			case 'e':
			++vowels;
			}
		}

		return vowels;
	}
}