3085
1,320 journalists have already registered ( writers : 601 , press photographers : 171 , radio and television reporters : 400 , etc. ) .
 1,320, 601, 171, 400
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 1,320, 601, 171, 400