53. Time Calculation C++

#include <iostream>

using namespace std;

class Time
{
public:
    Time(int h, int m, int s) :
        hours(h), minutes(m), seconds(s)
    {}

    int to_hours() const
    {
        return hours + minutes / 60 + seconds / 3600;
    }

    int to_minutes() const
    {
        return hours * 60 + minutes + seconds / 60;
    }

    int to_seconds() const
    {
        return hours * 3600 + minutes * 60 + seconds;
    }

private:
    int hours, minutes, seconds;
};

int main()
{
    int hours, minutes, seconds;
    cin >> hours >> minutes >> seconds;

    Time t(hours, minutes, seconds);

    cout << t.to_hours() << endl << t.to_minutes() << endl << t.to_seconds() << endl;

    return 0;
}