//This program demonstrates the prefix and postfix
//modes of increment and decrement operators.
#include <iostream>
using namespace std;

int main ()
{
	int num = 4;
	
	cout << num << endl;	//displays 4
	cout << num++ << endl;	//displays 4, then adds 1 to num
	cout << num << endl;	//displays 5
	cout << ++num << endl;	//adds 1 to num, then displays 6
	cout << endl;			//displays a blank line
	
	cout << num << endl;	//displays 6
	cout << num-- << endl;	//displays 6, then subtracts 1 from num
	cout << num << endl;	//displays 5
	cout << --num << endl;	//subtracts 1 from num, then displays 4
	
	return 0;
}