| Get your calculator ready... |
| 1. Add the digits of your secret number together to get a new secret number. 2. Take that number and add 5 to it. 3. Now divide that number by 2. 4. Now subract 4. 5. Multiply it by 2. 6. Finally, subract 5. By now you should have a totally different number than you started with. A number I could not possibly know. |