public static int countingValleys(int steps, String path) {
    // Write your code here
        int valleys = 0, route = 0;
        char[] ch = path.toCharArray();

        for (int i = 0; i < steps; i++) {

            if ('U' == (ch[i]))
                route += 1;
            else
                route += -1;

            if (route == 0 && 'U' == ch[i]) // Basic Understanding
                valleys++;
        }

        return valleys;
    }