#include<math.h>
#include "stdafx.h"
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
int main()
{
int b = 5;
int a = 0;
cout << a = ++b + 6;
cout<< endl;
cout << b++ + 6;
cout << endl;
cout << --b;
cout << endl;
cout << --b + 6;
return 0;
}