// Crea la classe  Time 
#include <iostream>
using namespace std; 
#include <iomanip>

 class Time {
 private:
   int ore; // 0-23 (24-hour clock format)
   int minuti; // 0-59
   int secondi; // 0-59
   
 public:  
   Time (int, int, int);
   void printUniversal (); 
   void printStandard  (); 
 }; 

Time :: Time (int o, int m, int s) {
ore = o;
minuti = m;
secondi = s;
}

int main() {
  Time dinnerTime(19, 30, 0) ; 
  cout << "Dinner will be held at ";

dinnerTime.printUniversal();
  cout << " universal time, \n which is ";
  
dinnerTime.printStandard();
  cout << " standard time." << endl;
  return (0);
 }

// print time in universal-time format
void Time:: printUniversal()
 {
   cout << setfill( '0' ) << setw( 2 ) << ore << ":"
	<< setw( 2 ) << minuti << ":"
	<< setw( 2 ) << secondi;
    } 
 

 // print time in standard-time format
 void Time:: printStandard( ) {
   cout << ( ( ore == 0 || ore == 12 ) ? 12 : ore % 12 ) << ":" << setfill( '0' )
	<< setw( 2 ) << minuti << ":"
	<< setw( 2 ) << secondi
	<< ( ore < 12 ? " AM" : " PM" );
} 


//g++ -o Class_Time Class_Time.cc
//./Class_Time

//output
//Dinner will be held at 19:30:00 universal time, 
// which is 7:30:00 PM standard time.