import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

public class Main {

    public static void main(String[] args) {

        // SimpleDateFormat code12Hours = new SimpleDateFormat("HH:mm"); // 24 hour format

        SimpleDateFormat code12Hours = new SimpleDateFormat("hh:mm"); // 12 hour format

        Date dateCode12 = null;

        String formatTwelve;
        String results;

        String[] date = {"01:11","23:11","13:12","07:01", "00:00", "12:00", "11:59"};

        for (String res: date) {

            try {
                dateCode12 = code12Hours.parse(res); // 12 hour
            } catch (ParseException e) {
                e.printStackTrace();
            }

            formatTwelve = code12Hours.format(dateCode12); // 12

            if (formatTwelve.equals(res)) {
                results = formatTwelve + " AM";
            } else {
                results = formatTwelve + " PM";
            }

            System.out.println(res + " : " + results);

        }

    }

}