23857
But if , because of their higher quality , these workers come up with their own ideas for improving the production process , then they are worth it , " says Day with the voice of experience .
 Day
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:
 Day