#include <iostream>
#include <string>
#include <sstream>

using namespace std;

class Person{
    private:
        string name;
        int currentYear, currentMonth, currentDay, birthYear, birthMonth, birthDay,
                calculatedYears, calculatedMonths, calculatedDays;

    public:
        Person(string name, int currentYear, int currentMonth, int currentDay, int birthYear, int birthMonth, int birthDay){
            this->name = name;
            this->currentYear = currentYear;
            this->currentMonth = currentMonth;
            this->currentDay = currentDay;
            this->birthYear = birthYear;
            this->birthMonth = birthMonth;
            this->birthDay = birthDay;
            this->calculatedYears = 0;
            this->calculatedMonths = 0;
            this->calculatedDays = 0;
        }

        void calculateAge(){
            int month[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};

            if (birthDay > currentDay){
                currentDay = currentDay + month[birthMonth - 1];
                currentMonth = currentMonth - 1;
            }

            if (birthMonth > currentMonth){
                currentYear = currentYear - 1;
                currentMonth = currentMonth + 12;
            }

            calculatedDays = currentDay - birthDay;
            calculatedMonths = currentMonth - birthMonth;
            calculatedYears = currentYear- birthYear;
        }

        string getName(){
            return name;
        }

        int getYears(){
            return calculatedYears;
        }

        int getMonths(){
            return calculatedMonths;
        }

        int getDays(){
            return calculatedDays;
        }

        string toString(){
            stringstream ss;
            ss << getName() << " is " << getYears() << " years, " << getMonths() << " months and " << getDays() << " days old";
            return ss.str();
        }
};

int main(){
    Person person("John", 2022, 3, 3, 1985, 1, 1);

    person.calculateAge();

    cout << person.toString() << endl;
}