Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
Kim has 12 nail polishes. Heidi has 5 more nail polishes than Kim, and Karen has 4 fewer nail polishes than Kim. How many nail polishes does Karen and Heidi have together?

### Response:
 Kim ana vipodozi vya kucha 12.
Heidi ana vipodozi vya kucha 12+5=17.
Karen ana vipodozi vya kucha 12-4=8.
Heidi na Karen wana vipodozi vya kucha 17+8=25.