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

### Instruction:
John and Anna bought some eBook readers. John bought 15 eBook readers less than Anna did. Unfortunately, John lost 3 eBook readers. If Anna bought 50 eBook readers, how many eBook readers do they have altogether?

### Response:
 John alinunua wasomaji wa vitabu vya elektroniki 50-15 = <<50-15=35>>35.
John ana wasomaji wa vitabu vya elektroniki 35-3 = <<35-3=32>>32 baada ya kupoteza baadhi yao.
Pamoja, wana wasomaji wa vitabu vya elektroniki 50+32 = <<50+32=82>>82.