Object As Function Parameter

#include <iostream>
using namespace std;
class Time
{
    int hour, minute, second;
    public:
        void getTime() {
            cout<<"\nEnter hours: "; cin>>hour;
            cout<<"\nEnter minutes: "; cin>>minute;
            cout<<"\nEnter seconds: "; cin>>second;
        }
        void printTime() {
            cout<<"\nHours: "<<hour;
            cout<<"\nMinutes: "<<minute;
            cout<<"\nSeconds: "<<second;
        }
        void addTime(Time x, Time y) {
            hour = x.hour + y.hour;
            minute = x.minute + y.minute;
            second = x.second + y.second;
        }
};
int main()
{
    Time t1, t2, t3;
    cout<<"\n\tTime 1\n";
    t1.getTime();
    t1.printTime();
    cout<<"\n\tTime 2\n";
    t2.getTime();
    t2.printTime();

    t3.addTime(t1, t2);
    cout<<"\nafter adding two objects\n";
    t3.printTime();

    return 0;
}