#include <iostream>
using namespace std;

class Time{
// You will need three integer data members to store the hours, minutes, and seconds.
    int hours;
    int minutes;
    int seconds;
public:
    Time(int hours = 0, int minutes = 0, int seconds = 0) : hours(hours), minutes(minutes), seconds(seconds){}
    Time(const Time& copy){
        *this = copy;
    }
    // Binary Operators
    // Arithmetic Operators
    Time operator+(const Time& val) const{
        Time result;
        result.seconds = this->seconds + val.seconds;
        if(result.seconds>=60){
            result.seconds -= 60;
            result.minutes++;
        }
    }
    Time operator-(const Time& val) const;
    // Compound Assignment Operators
    Time& operator+=(const Time& rhs);
    Time& operator-=(const Time& rhs);
    // Logical Operators
    bool operator==(const Time& val) const;
    bool operator!=(const Time& val) const;
    bool operator<(const Time& val) const;
    bool operator<=(const Time& val) const;
    bool operator>(const Time& val) const;
    bool operator>=(const Time& val) const;
    // Additional Functions
    Time elapsedTime() const; // Calculate elapsed time
    ~Time(); // destructor
    friend std::ostream& operator<<(std::ostream& output, const Time& val); // outputs the Time
    friend std::istream& operator>>(std::istream& input, Time& val); // inputs the Time
};