Given the following table:
| date | town | price |
|---|---|---|
| 17/12/2015 | SF | 5 |
| 17/12/2015 | AB | 3 |
| 17/12/2015 | SJ | 6 |
| 17/12/2015 | SF | 6 |
| /* | |
| A Thief has a knapsack that can hold X lbs of stolen goods | |
| Each stolen good is worth a certain amount of cash, but | |
| the stolen good also weighs a certain weight. This means that | |
| the thief has to pick an optimal combination of items! | |
| The Thief can't pick the same item twice. | |
| What is the maximum worth of goods that the thief can steal? | |
| */ |