75418
During his imprisonment at the camp in the town of Ekibastuz in Kazakhstan , he worked as a miner , bricklayer , and foundry foreman .
 Ekibastuz, Kazakhstan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ekibastuz, Kazakhstan