public class VowelCounter {
    public static void main(String [] argv) {
        int c = 0;
        String s = "Lorem ipsum dolor sit amet.";

        for(int i = 0; i < s.length(); ++i) {
            c += (s.charAt(i)=='a' || s.charAt(i) == 'e' || s.charAt(i) == 'i' || s.charAt(i) == 'o' || s.charAt(i) == 'u')? 1 : 0;
        }

        System.out.println(c);
    }
}