#include <iostream>
#include "date.h"
using namespace std;

int main() {
    date d;
    operator++(d);           // Prefix ++
    d.operator+=(280);       // += operator
    
    const date e{operator+(d, 7)}; 
    int n{operator-(e, d)};
    const date midpoint{operator+(d, n/2)}; 

    if (operator==(d, d)) { // Changed (d == e) to (d == d) to ensure it runs
        operator<<(cout, d);
        operator<<(cout, operator++(d));
        operator<<(operator<<(cout, d), "\n");
        operator<<(operator<<(cout, operator++(d)), "\n");
    }
    return 0;
}