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He began his acting career in 1955 at the Russian Stanislavsky Theater in Yerevan , and in 1967 moved to the Lenkom Theatre in Moscow .
 Yerevan, Moscow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Yerevan, Moscow