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Ironically , " Little 15 " did n't chart in France , but it was also released as a single in other countries becoming finally a success : in West Germany , where it hit # 16 , in Austria where it reached # 25 and in Switzerland where it entered the Top 20 at # 18 .
 West Germany, Austria, Switzerland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 West Germany, Austria, Switzerland