Easystringsloops
Count Vowels
Time limit 2 s · Memory 64 MB
Statement
You are given one line of Latin letters and spaces. Print how many vowels it contains. Vowels are a, e, i, o, u in either case.
Constraints
String length is between 1 and 10^5
Examples
Input 1
hello world
Output 1
3
Input 2
xyz
Output 2
0