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

### Instruction:
 Katika mkutano, wajumbe 16 kati ya 36 walifika na vitambulisho vilivyochapishwa mapema. Nusu ya wajumbe waliobaki walitengeneza vitambulisho vyao kwa mkono. Wajumbe wangapi hawakuwa na vitambulisho?


### Response:
 Kulikuwa na 36-16=<<36-16=20>>20 bila vitambulisho vilivyochapishwa mapema.
Kisha 20/2=<<20/2=10>>10 walitengeneza vitambulisho vyao kwa mkono.
Kulikuwa na 20-10=<<20-10=10>>10 bila vitambulisho.