#include <iostream>
#include <string>
#include <cmath>
using namespace std;

class position_splitter {
    public:
        typedef double value_type;
        position_splitter(const value_type& ms) :  
            time_ms(round(ms < 0 ? 0 : ms)), 
            years(time_ms), 
            milliseconds(calc(years, 1000.0)), 
            seconds(calc(years, 60.0)), 
            minutes(calc(years, 60.0)), 
            hours(calc(years, 24.0)), 
            days(calc(years, 365.0)) {
        }
        value_type getMilliseconds() const {
            return milliseconds;
        }
        value_type getSeconds() const {
            return seconds;
        }
        value_type getMinutes() const {
            return minutes;
        }
        value_type getHours() const {
            return hours;
        }
        value_type getDays() const {
            return days;
        }
        value_type getYears() const {
            return years;
        }
        value_type getTotalTime() const {
            return time_ms;
        }
    private:
        const value_type time_ms;
        value_type years;
        const value_type milliseconds;
        const value_type seconds;
        const value_type minutes;
        const value_type hours;
        const value_type days;
        value_type calc(value_type& left, const value_type& unit) const {
            return round(modf(left / unit, &left) * unit);
        }
};

int main() {
    position_splitter pos(72500);
    cout.precision(20);
    cout << pos.getTotalTime() << "ms = ";
    cout << pos.getYears() << "y : ";
    cout << pos.getDays() << "d : ";
    cout << pos.getHours() << "h : ";
    cout << pos.getMinutes() << "m : ";
    cout << pos.getSeconds() << "s : ";
    cout << pos.getMilliseconds() << "ms";
    cout << "\n";
}