Count Vowels in a String

You are given a string s consisting of uppercase and lowercase English letters.

Your task is to count the total number of vowels present in the string.

Vowels include:

• a, e, i, o, u

• Both lowercase and uppercase vowels should be considered.

Your solution should efficiently iterate through the string and count all vowel occurrences.

📥 Input Format

• A single string s

📤 Output Format

Print a single integer representing the total number of vowels in the string.

🧪 Example 1

Input

HelloWorld

Output

3

Explanation

The vowels in the string are:

e, o, o

So, the total number of vowels is 3.

Constraints

• 1 ≤ |s| ≤ 10^5