C++ Program to Find Even Odd number

#include 

int main()
{
 int   your_number;
 cout << "Enter a whole number: ";
 cin >> your_number;

 if (your_number % 2 == 0)
     cout << "\nYour number is even\n";

 if (your_number % 2 != 0) 
        {
  cout << "Your number is odd.\n";
        }
cout << "That's all!\n";

return 0;
}