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

### Instruction:
 Bill na Phil ni Dalmatians wa kituo cha zima moto. Bill ana alama moja chini ya mara mbili ya alama za Phil. Ikiwa wana jumla ya alama 59, Bill ana alama ngapi?


### Response:
 b = 2p - 1
3p - 1 = 59
3p = 60
p = <<20=20>>20
b = 2 * 20 - 1 = <<2*20-1=39>>39
Bill ana alama 39.