text: #include "Error.h"
  #include <iostream>
  #include <iomanip>
  #include <stdexcept>
  
  using namespace std;
  
  #ifndef _HORA_H_
  #define _HORA_H_
  
  class Hora
  {
  	private:
  		int _hora, _minuto, _segundo;
  
  	public:
  		Hora();
  		Hora(const int hora, const int minuto, const int segundo);
  		int getHora() const;
  		int getMinuto() const;
  		int getSegundo() const;
  		bool operator < (const Hora &h) const;
  		const Hora& operator+ (const Hora &h);
  		friend ostream & operator<<(ostream &o, const Hora &h);
  		friend istream & operator >> (istream &i, Hora &h);
  };
  #endif