194076
Diplomatic career From 1962 to 1966 , Vinogradov was the ambassador of the USSR in Japan ; he served as Ambassador to Egypt from 1970 to 1974 .
 Vinogradov, USSR, Japan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Vinogradov, USSR, Japan