The zombie virus spread through America quickly. You were forced to leave your village by a train, alone. After ten thousand kilometers, you saw walls of an outpost. It was rather... empty, and the train's fuel ran out. After you found out that Mexico has found a cure, you sold your last gold bar for $50, which you used to magically buy two pieces of coal and a torch, leaving you with $20. Then, you took the train and continued your 70km journey to Mexico, through a large dessert.

Your inventory:

1. Sack
2. Shovel