23170
It highlighted the seven-day NHS could cost an additional £ 900 " million each year , required the recruitment of 11,000 more staff including 4,000 doctors and 3,000 nurses , and community and social services could struggle to handle more discharges at the weekend .
 NHS
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 NHS