// This program demonstrates the ++ and -- operators.
    #include <iostream>
    using namespace std;
     
    int main() 
    {
    	int num = 4;
     
    	// Display the value in num.
    	cout << "The variable num is " << num << endl;
    	cout << "I will now increment num.\n\n";
     
     
    	// Use postfix ++ to increment num.
    	num ++;
    	cout << "Now the variable num is " << num << endl;
    	cout << "I will increment num again.\n\n";
     
    	// Use prefix ++ to increment num.
    	++num;
    	cout << "Now the variable num is " << num << endl;
    	cout << "I will now decrement num.\n\n";
     
    	//Use postfix -- to decrement num.
    	num--;
    	cout << "Now the variable num is " << num << endl;
    	cout << "I will decrement num again.\n\n";
     
    	//Use prefix == to decrement num.
    	--num;
    	cout << "Now the batiable num is " << num << endl;
    	return 0;
    }