#ifndef DATE_H
#define DATE_H
#include <iostream>

class date {
private:
    int days; // Simplified internal representation (e.g., days since an epoch)
public:
    date(int d = 0) : days(d) {}
    
    // Member operators
    date& operator++();       // Prefix ++
    date& operator+=(int n);
    
    // Friend/Non-member operators
    friend date operator+(const date& d, int n);
    friend int operator-(const date& d1, const date& d2);
    friend bool operator==(const date& d1, const date& d2);
    friend std::ostream& operator<<(std::ostream& os, const date& d);
};

#endif