Count the Vowels

You are given a string s consisting of uppercase English letters. Your task is to count the number of vowels in the string. The vowels are defined as \( V = \{A, E, I, O, U\} \). Iterate through each character of the string and count how many characters belong to \( V \).

Example: For the input "HELLO", the vowels are 'E' and 'O', so the output should be 2.

inputFormat

The input consists of a single line containing a string s made up of uppercase English letters.

outputFormat

Output a single integer representing the number of vowels found in the string.

HELLO

2