class Solution {
    char[] vowels={'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'};
    public boolean halvesAreAlike(String s) {
        String half1=s.substring(0, s.length()/2);
        String half2=s.substring(s.length()/2);
        int count=0;
        
        for(int i=0; i<half1.length(); i++){
            if(isVowel(half1.charAt(i)))
                count++;
            if(isVowel(half2.charAt(i)))
                count--;
        }
        
        return count==0;
    }
    
    boolean isVowel(char ch){
        for(char vowel:vowels){
            if(ch==vowel)
                return true;
        }
        return false;
    }
}