public class Answer {
    public static int answer(String s) {
        int split = 1;
        char c = s.charAt(0);
        for (int i = 1; i < s.length() - 1; i++) {
            if (c == s.charAt(i)) {
                if(s.charAt(i)!=s.charAt(i+1)){
                    split++;
                }
            }
        }
        return split;
    }
}