Write a C++ program that has a Time class and an Ltime class. The Time class should have integer data members named hours, minutes, and seconds, and the Ltime class should have a long integer data member named elsecs, which represents the number of elapsed seconds since midnight. For the Time class, include a conversion operator function named Ltime() that converts a Time object to an Ltime object. For the Ltime class, include a conversion operator function named Time() that converts an Ltime object to a Time object.