Aim: The score of a single word is 2 if the word contains an even number of
vowels. Otherwise, the score of this word is 1. The score for the whole list
of words is the sum of scores of all words in the list. The aim is to output
this score for the entered string.
Aim: The score of a single word is 2 if the word contains an even number of vowels. Otherwise, the score of this word is 1. The score for the whole list of words is the sum of scores of all words in the list. The aim is to output this score for the entered string.