What is the output of the given code?public static Map curiousMap(Map aMap){ Map bMap = new TreeMap(); for (String s : aMap. keySet()) { String p = aMap. get(s); int num = 1; if (!bMap. containsKey(p)) { bMap. put(p, num); } else { num = bMap. get(p); bMap. put(p, ++num); } } return bMap;