context: Japan adopts a modified capitalist economic system, with the unit of currency yen (円, ¥, Yen, JPY). It is the third largest economy in the world in terms of GDP, and Japan's economic trends have a major impact on the world economy. However, as the United States led the IT industry in the 1990s, its influence diminished, which in turn accelerated bad debts on land due to Japan's indiscriminate investment, which was devastating to the economy. However, at present, Japan is the world's third-largest gross domestic product and the gross domestic product per capita is 18th among OECD member countries. .
question: What is the Japanese currency?
answers.text: yen