In this message, "YEN" represents the name of an article, which could be named anything. The "EN" part of this name is the language code (which was English for the original version). If you're translating to French [fr], you may use "YFR", for Italian [it] "YIT", etc. The letters in "NEY" are the letters in "YEN", but reversed. For French (fr), you may want to use "RFY", etc.